7891640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2377}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 17977680

約数和(自身を除く): 10086040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2377, 3320, 4754, 9508, 11885, 19016, 23770, 47540, 95080, 197291, 394582, 789164, 986455, 1578328, 1972910, 3945820, 7891640]

約数ペア:

[(1, 7891640), (2, 3945820), (4, 1972910), (5, 1578328), (8, 986455), (10, 789164), (20, 394582), (40, 197291), (83, 95080), (166, 47540), (332, 23770), (415, 19016), (664, 11885), (830, 9508), (1660, 4754), (2377, 3320)]