87087701240

素因数分解:

$2^3\times 5^1\times {\mathrm{2177192531}}^1$

素因数の和:2177192542

約数の個数: 16

約数和(自身を含む): 195947327880

約数和(自身を除く): 108859626640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2177192531, 4354385062, 8708770124, 10885962655, 17417540248, 21771925310, 43543850620, 87087701240]

約数ペア:

[(1, 87087701240), (2, 43543850620), (4, 21771925310), (5, 17417540248), (8, 10885962655), (10, 8708770124), (20, 4354385062), (40, 2177192531)]