8889493960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2813131}}^1$

素因数の和:2813221

約数の個数: 32

約数和(自身を含む): 20254550400

約数和(自身を除く): 11365056440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 2813131, 5626262, 11252524, 14065655, 22505048, 28131310, 56262620, 112525240, 222237349, 444474698, 888949396, 1111186745, 1777898792, 2222373490, 4444746980, 8889493960]

約数ペア:

[(1, 8889493960), (2, 4444746980), (4, 2222373490), (5, 1777898792), (8, 1111186745), (10, 888949396), (20, 444474698), (40, 222237349), (79, 112525240), (158, 56262620), (316, 28131310), (395, 22505048), (632, 14065655), (790, 11252524), (1580, 5626262), (3160, 2813131)]