82716980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{40949}}^1$

素因数の和:41059

約数の個数: 24

約数和(自身を含む): 175429800

約数和(自身を除く): 92712820

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 40949, 81898, 163796, 204745, 409490, 818980, 4135849, 8271698, 16543396, 20679245, 41358490, 82716980]

約数ペア:

[(1, 82716980), (2, 41358490), (4, 20679245), (5, 16543396), (10, 8271698), (20, 4135849), (101, 818980), (202, 409490), (404, 204745), (505, 163796), (1010, 81898), (2020, 40949)]