39680580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661343}}^1$

素因数の和:661355

約数の個数: 24

約数和(自身を含む): 111105792

約数和(自身を除く): 71425212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661343, 1322686, 1984029, 2645372, 3306715, 3968058, 6613430, 7936116, 9920145, 13226860, 19840290, 39680580]

約数ペア:

[(1, 39680580), (2, 19840290), (3, 13226860), (4, 9920145), (5, 7936116), (6, 6613430), (10, 3968058), (12, 3306715), (15, 2645372), (20, 1984029), (30, 1322686), (60, 661343)]