90078010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{3881}}^1$

素因数の和:4110

約数の個数: 32

約数和(自身を含む): 177764544

約数和(自身を除く): 87686534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 1055, 2110, 2321, 3881, 4642, 7762, 11605, 19405, 23210, 38810, 42691, 85382, 213455, 426910, 818891, 1637782, 4094455, 8188910, 9007801, 18015602, 45039005, 90078010]

約数ペア:

[(1, 90078010), (2, 45039005), (5, 18015602), (10, 9007801), (11, 8188910), (22, 4094455), (55, 1637782), (110, 818891), (211, 426910), (422, 213455), (1055, 85382), (2110, 42691), (2321, 38810), (3881, 23210), (4642, 19405), (7762, 11605)]