39885820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153407}}^1$

素因数の和:153429

約数の個数: 24

約数和(自身を含む): 90203904

約数和(自身を除く): 50318084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153407, 306814, 613628, 767035, 1534070, 1994291, 3068140, 3988582, 7977164, 9971455, 19942910, 39885820]

約数ペア:

[(1, 39885820), (2, 19942910), (4, 9971455), (5, 7977164), (10, 3988582), (13, 3068140), (20, 1994291), (26, 1534070), (52, 767035), (65, 613628), (130, 306814), (260, 153407)]