31091020

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5779}}^1$

素因数の和:6057

約数の個数: 24

約数和(自身を含む): 65545200

約数和(自身を除く): 34454180

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 5779, 11558, 23116, 28895, 57790, 115580, 1554551, 3109102, 6218204, 7772755, 15545510, 31091020]

約数ペア:

[(1, 31091020), (2, 15545510), (4, 7772755), (5, 6218204), (10, 3109102), (20, 1554551), (269, 115580), (538, 57790), (1076, 28895), (1345, 23116), (2690, 11558), (5380, 5779)]