15666130820

素因数分解:

$2^2\times 5^1\times {\mathrm{69857}}^1\times {\mathrm{11213}}^1$

素因数の和:81079

約数の個数: 24

約数和(自身を含む): 32902279704

約数和(自身を除く): 17236148884

約数列:

[1, 2, 4, 5, 10, 20, 11213, 22426, 44852, 56065, 69857, 112130, 139714, 224260, 279428, 349285, 698570, 1397140, 783306541, 1566613082, 3133226164, 3916532705, 7833065410, 15666130820]

約数ペア:

[(1, 15666130820), (2, 7833065410), (4, 3916532705), (5, 3133226164), (10, 1566613082), (20, 783306541), (11213, 1397140), (22426, 698570), (44852, 349285), (56065, 279428), (69857, 224260), (112130, 139714)]