My first math lib

mod.rs

extern crate num;
use self::num::traits::{Num, Zero, One, Signed, Unsigned, Bounded, Saturating, CheckedAdd, CheckedSub, CheckedMul, CheckedDiv, PrimInt, Float, ToPrimitive, FromPrimitive, NumCast}

pub fn number_of_factors<T: Num + Zero + One + Signed + Unsigned + Bounded + Saturating + CheckedAdd + CheckedSub + CheckedMul + CheckedDiv + PrimInt + Float + ToPrimitive + FromP
  let one = 1 as T;
  let zero = 0 as T;
  let mut factor_count: T = one;
  let mut limit = n;
  let mut i: T = one;
  while i < limit {
    if n % i == zero {
      limit = n / i;
      if limit != i {
        factor_count = factor_count + one;
      }
      factor_count = factor_count + one;
    }
    i = i + one;
  }
  factor_count
}