208720450

素因数分解:

$2^1\times 5^2\times {\mathrm{4174409}}^1$

素因数の和:4174421

約数の個数: 12

約数和(自身を含む): 388220130

約数和(自身を除く): 179499680

約数列:

[1, 2, 5, 10, 25, 50, 4174409, 8348818, 20872045, 41744090, 104360225, 208720450]

約数ペア:

[(1, 208720450), (2, 104360225), (5, 41744090), (10, 20872045), (25, 8348818), (50, 4174409)]