39819980

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1873}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 83745312

約数和(自身を除く): 43925332

約数列:

[1, 2, 4, 5, 10, 20, 1063, 1873, 2126, 3746, 4252, 5315, 7492, 9365, 10630, 18730, 21260, 37460, 1990999, 3981998, 7963996, 9954995, 19909990, 39819980]

約数ペア:

[(1, 39819980), (2, 19909990), (4, 9954995), (5, 7963996), (10, 3981998), (20, 1990999), (1063, 37460), (1873, 21260), (2126, 18730), (3746, 10630), (4252, 9365), (5315, 7492)]