7938804560

素因数分解:

$2^4\times 5^1\times {\mathrm{99235057}}^1$

素因数の和:99235070

約数の個数: 20

約数和(自身を含む): 18457720788

約数和(自身を除く): 10518916228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99235057, 198470114, 396940228, 496175285, 793880456, 992350570, 1587760912, 1984701140, 3969402280, 7938804560]

約数ペア:

[(1, 7938804560), (2, 3969402280), (4, 1984701140), (5, 1587760912), (8, 992350570), (10, 793880456), (16, 496175285), (20, 396940228), (40, 198470114), (80, 99235057)]