12563140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4001}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 26557272

約数和(自身を除く): 13994132

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4001, 8002, 16004, 20005, 40010, 80020, 628157, 1256314, 2512628, 3140785, 6281570, 12563140]

約数ペア:

[(1, 12563140), (2, 6281570), (4, 3140785), (5, 2512628), (10, 1256314), (20, 628157), (157, 80020), (314, 40010), (628, 20005), (785, 16004), (1570, 8002), (3140, 4001)]