4675640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2851}}^1$

素因数の和:2903

約数の個数: 32

約数和(自身を含む): 10780560

約数和(自身を除く): 6104920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2851, 5702, 11404, 14255, 22808, 28510, 57020, 114040, 116891, 233782, 467564, 584455, 935128, 1168910, 2337820, 4675640]

約数ペア:

[(1, 4675640), (2, 2337820), (4, 1168910), (5, 935128), (8, 584455), (10, 467564), (20, 233782), (40, 116891), (41, 114040), (82, 57020), (164, 28510), (205, 22808), (328, 14255), (410, 11404), (820, 5702), (1640, 2851)]