90023560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{204599}}^1$

素因数の和:204621

約数の個数: 32

約数和(自身を含む): 220968000

約数和(自身を除く): 130944440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 204599, 409198, 818396, 1022995, 1636792, 2045990, 2250589, 4091980, 4501178, 8183960, 9002356, 11252945, 18004712, 22505890, 45011780, 90023560]

約数ペア:

[(1, 90023560), (2, 45011780), (4, 22505890), (5, 18004712), (8, 11252945), (10, 9002356), (11, 8183960), (20, 4501178), (22, 4091980), (40, 2250589), (44, 2045990), (55, 1636792), (88, 1022995), (110, 818396), (220, 409198), (440, 204599)]