Factors / Factors of 512

Factors of 512

1, 2, 4, 8, 16, 32, 64, 128, 256, 512

512 breaks into 5 pairs, tested up to √512 ≈ 22.6; each pair multiplies back to 512 exactly. 512's full pair list is (1, 512), (2, 256), (4, 128), (8, 64), (16, 32), for 10 divisors in total. 512's divisors other than 512 itself sum to just 511, 1 below 512: the common deficient case. 512 is even, digit sum 8 for 512; small divisors of 512 include 2, 4, 8. 512 has 10 divisors; 511 has 4 and 513 has 8, so 512 wins here. 512 divided by its largest divisor, 256, gives 2.