8177788240

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{627131}}^1$

素因数の和:627307

約数の個数: 40

約数和(自身を含む): 19130034528

約数和(自身を除く): 10952246288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 627131, 1254262, 2508524, 3135655, 5017048, 6271310, 10034096, 12542620, 25085240, 50170480, 102222353, 204444706, 408889412, 511111765, 817778824, 1022223530, 1635557648, 2044447060, 4088894120, 8177788240]

約数ペア:

[(1, 8177788240), (2, 4088894120), (4, 2044447060), (5, 1635557648), (8, 1022223530), (10, 817778824), (16, 511111765), (20, 408889412), (40, 204444706), (80, 102222353), (163, 50170480), (326, 25085240), (652, 12542620), (815, 10034096), (1304, 6271310), (1630, 5017048), (2608, 3135655), (3260, 2508524), (6520, 1254262), (13040, 627131)]