89427640

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{2207}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 201502080

約数和(自身を除く): 112074440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 2207, 4052, 4414, 5065, 8104, 8828, 10130, 11035, 17656, 20260, 22070, 40520, 44140, 88280, 2235691, 4471382, 8942764, 11178455, 17885528, 22356910, 44713820, 89427640]

約数ペア:

[(1, 89427640), (2, 44713820), (4, 22356910), (5, 17885528), (8, 11178455), (10, 8942764), (20, 4471382), (40, 2235691), (1013, 88280), (2026, 44140), (2207, 40520), (4052, 22070), (4414, 20260), (5065, 17656), (8104, 11035), (8828, 10130)]