2088405580

素因数分解:

$2^2\times 5^1\times {\mathrm{104420279}}^1$

素因数の和:104420288

約数の個数: 12

約数和(自身を含む): 4385651760

約数和(自身を除く): 2297246180

約数列:

[1, 2, 4, 5, 10, 20, 104420279, 208840558, 417681116, 522101395, 1044202790, 2088405580]

約数ペア:

[(1, 2088405580), (2, 1044202790), (4, 522101395), (5, 417681116), (10, 208840558), (20, 104420279)]