168457360

素因数分解:

$2^4\times 5^1\times {\mathrm{2105717}}^1$

素因数の和:2105730

約数の個数: 20

約数和(自身を含む): 391663548

約数和(自身を除く): 223206188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2105717, 4211434, 8422868, 10528585, 16845736, 21057170, 33691472, 42114340, 84228680, 168457360]

約数ペア:

[(1, 168457360), (2, 84228680), (4, 42114340), (5, 33691472), (8, 21057170), (10, 16845736), (16, 10528585), (20, 8422868), (40, 4211434), (80, 2105717)]