7865020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5387}}^1$

素因数の和:5469

約数の個数: 24

約数和(自身を含む): 16745904

約数和(自身を除く): 8880884

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 5387, 10774, 21548, 26935, 53870, 107740, 393251, 786502, 1573004, 1966255, 3932510, 7865020]

約数ペア:

[(1, 7865020), (2, 3932510), (4, 1966255), (5, 1573004), (10, 786502), (20, 393251), (73, 107740), (146, 53870), (292, 26935), (365, 21548), (730, 10774), (1460, 5387)]