25671740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31307}}^1$

素因数の和:31357

約数の個数: 24

約数和(自身を含む): 55227312

約数和(自身を除く): 29555572

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31307, 62614, 125228, 156535, 313070, 626140, 1283587, 2567174, 5134348, 6417935, 12835870, 25671740]

約数ペア:

[(1, 25671740), (2, 12835870), (4, 6417935), (5, 5134348), (10, 2567174), (20, 1283587), (41, 626140), (82, 313070), (164, 156535), (205, 125228), (410, 62614), (820, 31307)]