7641020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5381}}^1$

素因数の和:5461

約数の個数: 24

約数和(自身を含む): 16275168

約数和(自身を除く): 8634148

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5381, 10762, 21524, 26905, 53810, 107620, 382051, 764102, 1528204, 1910255, 3820510, 7641020]

約数ペア:

[(1, 7641020), (2, 3820510), (4, 1910255), (5, 1528204), (10, 764102), (20, 382051), (71, 107620), (142, 53810), (284, 26905), (355, 21524), (710, 10762), (1420, 5381)]