39887580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{664793}}^1$

素因数の和:664805

約数の個数: 24

約数和(自身を含む): 111685392

約数和(自身を除く): 71797812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 664793, 1329586, 1994379, 2659172, 3323965, 3988758, 6647930, 7977516, 9971895, 13295860, 19943790, 39887580]

約数ペア:

[(1, 39887580), (2, 19943790), (3, 13295860), (4, 9971895), (5, 7977516), (6, 6647930), (10, 3988758), (12, 3323965), (15, 2659172), (20, 1994379), (30, 1329586), (60, 664793)]