2005331870

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{798937}}^1$

素因数の和:799195

約数の個数: 16

約数和(自身を含む): 3623982768

約数和(自身を除く): 1618650898

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 798937, 1597874, 3994685, 7989370, 200533187, 401066374, 1002665935, 2005331870]

約数ペア:

[(1, 2005331870), (2, 1002665935), (5, 401066374), (10, 200533187), (251, 7989370), (502, 3994685), (1255, 1597874), (2510, 798937)]