85181020

素因数分解:

$2^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{3229}}^1$

素因数の和:4557

約数の個数: 24

約数和(自身を含む): 179071200

約数和(自身を除く): 93890180

約数列:

[1, 2, 4, 5, 10, 20, 1319, 2638, 3229, 5276, 6458, 6595, 12916, 13190, 16145, 26380, 32290, 64580, 4259051, 8518102, 17036204, 21295255, 42590510, 85181020]

約数ペア:

[(1, 85181020), (2, 42590510), (4, 21295255), (5, 17036204), (10, 8518102), (20, 4259051), (1319, 64580), (2638, 32290), (3229, 26380), (5276, 16145), (6458, 13190), (6595, 12916)]