40081980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{668033}}^1$

素因数の和:668045

約数の個数: 24

約数和(自身を含む): 112229712

約数和(自身を除く): 72147732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 668033, 1336066, 2004099, 2672132, 3340165, 4008198, 6680330, 8016396, 10020495, 13360660, 20040990, 40081980]

約数ペア:

[(1, 40081980), (2, 20040990), (3, 13360660), (4, 10020495), (5, 8016396), (6, 6680330), (10, 4008198), (12, 3340165), (15, 2672132), (20, 2004099), (30, 1336066), (60, 668033)]