25213220

素因数分解:

$2^2\times 5^1\times {\mathrm{1260661}}^1$

素因数の和:1260670

約数の個数: 12

約数和(自身を含む): 52947804

約数和(自身を除く): 27734584

約数列:

[1, 2, 4, 5, 10, 20, 1260661, 2521322, 5042644, 6303305, 12606610, 25213220]

約数ペア:

[(1, 25213220), (2, 12606610), (4, 6303305), (5, 5042644), (10, 2521322), (20, 1260661)]