8222740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3001}}^1$

素因数の和:3147

約数の個数: 24

約数和(自身を含む): 17399592

約数和(自身を除く): 9176852

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 3001, 6002, 12004, 15005, 30010, 60020, 411137, 822274, 1644548, 2055685, 4111370, 8222740]

約数ペア:

[(1, 8222740), (2, 4111370), (4, 2055685), (5, 1644548), (10, 822274), (20, 411137), (137, 60020), (274, 30010), (548, 15005), (685, 12004), (1370, 6002), (2740, 3001)]