12520180

素因数分解:

$2^2\times 5^1\times {\mathrm{626009}}^1$

素因数の和:626018

約数の個数: 12

約数和(自身を含む): 26292420

約数和(自身を除く): 13772240

約数列:

[1, 2, 4, 5, 10, 20, 626009, 1252018, 2504036, 3130045, 6260090, 12520180]

約数ペア:

[(1, 12520180), (2, 6260090), (4, 3130045), (5, 2504036), (10, 1252018), (20, 626009)]