39888942920

素因数分解:

$2^3\times 5^1\times {\mathrm{997223573}}^1$

素因数の和:997223584

約数の個数: 16

約数和(自身を含む): 89750121660

約数和(自身を除く): 49861178740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997223573, 1994447146, 3988894292, 4986117865, 7977788584, 9972235730, 19944471460, 39888942920]

約数ペア:

[(1, 39888942920), (2, 19944471460), (4, 9972235730), (5, 7977788584), (8, 4986117865), (10, 3988894292), (20, 1994447146), (40, 997223573)]