87082669640

素因数分解:

$2^3\times 5^1\times {\mathrm{2177066741}}^1$

素因数の和:2177066752

約数の個数: 16

約数和(自身を含む): 195936006780

約数和(自身を除く): 108853337140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2177066741, 4354133482, 8708266964, 10885333705, 17416533928, 21770667410, 43541334820, 87082669640]

約数ペア:

[(1, 87082669640), (2, 43541334820), (4, 21770667410), (5, 17416533928), (8, 10885333705), (10, 8708266964), (20, 4354133482), (40, 2177066741)]