87315640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{114889}}^1$

素因数の和:114919

約数の個数: 32

約数和(自身を含む): 206802000

約数和(自身を除く): 119486360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 114889, 229778, 459556, 574445, 919112, 1148890, 2182891, 2297780, 4365782, 4595560, 8731564, 10914455, 17463128, 21828910, 43657820, 87315640]

約数ペア:

[(1, 87315640), (2, 43657820), (4, 21828910), (5, 17463128), (8, 10914455), (10, 8731564), (19, 4595560), (20, 4365782), (38, 2297780), (40, 2182891), (76, 1148890), (95, 919112), (152, 574445), (190, 459556), (380, 229778), (760, 114889)]