100877680

素因数分解:

$2^4\times 5^1\times {\mathrm{1260971}}^1$

素因数の和:1260984

約数の個数: 20

約数和(自身を含む): 234540792

約数和(自身を除く): 133663112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1260971, 2521942, 5043884, 6304855, 10087768, 12609710, 20175536, 25219420, 50438840, 100877680]

約数ペア:

[(1, 100877680), (2, 50438840), (4, 25219420), (5, 20175536), (8, 12609710), (10, 10087768), (16, 6304855), (20, 5043884), (40, 2521942), (80, 1260971)]