65184431420

素因数分解:

$2^2\times 5^1\times {\mathrm{3259221571}}^1$

素因数の和:3259221580

約数の個数: 12

約数和(自身を含む): 136887306024

約数和(自身を除く): 71702874604

約数列:

[1, 2, 4, 5, 10, 20, 3259221571, 6518443142, 13036886284, 16296107855, 32592215710, 65184431420]

約数ペア:

[(1, 65184431420), (2, 32592215710), (4, 16296107855), (5, 13036886284), (10, 6518443142), (20, 3259221571)]