168597980

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{20611}}^1$

素因数の和:21029

約数の個数: 24

約数和(自身を含む): 354938640

約数和(自身を除く): 186340660

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 20611, 41222, 82444, 103055, 206110, 412220, 8429899, 16859798, 33719596, 42149495, 84298990, 168597980]

約数ペア:

[(1, 168597980), (2, 84298990), (4, 42149495), (5, 33719596), (10, 16859798), (20, 8429899), (409, 412220), (818, 206110), (1636, 103055), (2045, 82444), (4090, 41222), (8180, 20611)]