8178140

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{887}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 17230752

約数和(自身を除く): 9052612

約数列:

[1, 2, 4, 5, 10, 20, 461, 887, 922, 1774, 1844, 2305, 3548, 4435, 4610, 8870, 9220, 17740, 408907, 817814, 1635628, 2044535, 4089070, 8178140]

約数ペア:

[(1, 8178140), (2, 4089070), (4, 2044535), (5, 1635628), (10, 817814), (20, 408907), (461, 17740), (887, 9220), (922, 8870), (1774, 4610), (1844, 4435), (2305, 3548)]