87937820

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{19717}}^1$

素因数の和:19949

約数の個数: 24

約数和(自身を含む): 185506944

約数和(自身を除く): 97569124

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 19717, 39434, 78868, 98585, 197170, 394340, 4396891, 8793782, 17587564, 21984455, 43968910, 87937820]

約数ペア:

[(1, 87937820), (2, 43968910), (4, 21984455), (5, 17587564), (10, 8793782), (20, 4396891), (223, 394340), (446, 197170), (892, 98585), (1115, 78868), (2230, 39434), (4460, 19717)]