71309960

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5807}}^1$

素因数の和:6125

約数の個数: 32

約数和(自身を含む): 160997760

約数和(自身を除く): 89687800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5807, 6140, 11614, 12280, 23228, 29035, 46456, 58070, 116140, 232280, 1782749, 3565498, 7130996, 8913745, 14261992, 17827490, 35654980, 71309960]

約数ペア:

[(1, 71309960), (2, 35654980), (4, 17827490), (5, 14261992), (8, 8913745), (10, 7130996), (20, 3565498), (40, 1782749), (307, 232280), (614, 116140), (1228, 58070), (1535, 46456), (2456, 29035), (3070, 23228), (5807, 12280), (6140, 11614)]