808538260

素因数分解:

$2^2\times 5^1\times {\mathrm{4999}}^1\times {\mathrm{8087}}^1$

素因数の和:13095

約数の個数: 24

約数和(自身を含む): 1698480000

約数和(自身を除く): 889941740

約数列:

[1, 2, 4, 5, 10, 20, 4999, 8087, 9998, 16174, 19996, 24995, 32348, 40435, 49990, 80870, 99980, 161740, 40426913, 80853826, 161707652, 202134565, 404269130, 808538260]

約数ペア:

[(1, 808538260), (2, 404269130), (4, 202134565), (5, 161707652), (10, 80853826), (20, 40426913), (4999, 161740), (8087, 99980), (9998, 80870), (16174, 49990), (19996, 40435), (24995, 32348)]