Factors / Factors of 320

Factors of 320

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320

320 breaks into 7 pairs, tested up to √320 ≈ 17.9; each pair multiplies back to 320 exactly. 320's full pair list is (1, 320), (2, 160), (4, 80), (5, 64), (8, 40), (10, 32), (16, 20), for 14 divisors in total. 320's divisors other than 320 itself sum to 442, 122 above 320: abundant. 320 is even, digit sum 5 for 320; small divisors of 320 include 2, 4, 5, 8, 10. 320 has 14 divisors; 319 has 4 and 321 has 4, so 320 wins here. 320 divided by its largest divisor, 160, gives 2.