90987040

素因数分解:

$2^5\times 5^1\times {\mathrm{568669}}^1$

素因数の和:568684

約数の個数: 24

約数和(自身を含む): 214957260

約数和(自身を除く): 123970220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 568669, 1137338, 2274676, 2843345, 4549352, 5686690, 9098704, 11373380, 18197408, 22746760, 45493520, 90987040]

約数ペア:

[(1, 90987040), (2, 45493520), (4, 22746760), (5, 18197408), (8, 11373380), (10, 9098704), (16, 5686690), (20, 4549352), (32, 2843345), (40, 2274676), (80, 1137338), (160, 568669)]