83922680

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{4027}}^1$

素因数の和:4559

約数の個数: 32

約数和(自身を含む): 189235440

約数和(自身を除く): 105312760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4027, 4168, 5210, 8054, 10420, 16108, 20135, 20840, 32216, 40270, 80540, 161080, 2098067, 4196134, 8392268, 10490335, 16784536, 20980670, 41961340, 83922680]

約数ペア:

[(1, 83922680), (2, 41961340), (4, 20980670), (5, 16784536), (8, 10490335), (10, 8392268), (20, 4196134), (40, 2098067), (521, 161080), (1042, 80540), (2084, 40270), (2605, 32216), (4027, 20840), (4168, 20135), (5210, 16108), (8054, 10420)]