9771800620

素因数分解:

$2^2\times 5^1\times {\mathrm{488590031}}^1$

素因数の和:488590040

約数の個数: 12

約数和(自身を含む): 20520781344

約数和(自身を除く): 10748980724

約数列:

[1, 2, 4, 5, 10, 20, 488590031, 977180062, 1954360124, 2442950155, 4885900310, 9771800620]

約数ペア:

[(1, 9771800620), (2, 4885900310), (4, 2442950155), (5, 1954360124), (10, 977180062), (20, 488590031)]