25515820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{115981}}^1$

素因数の和:116001

約数の個数: 24

約数和(自身を含む): 58454928

約数和(自身を除く): 32939108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 115981, 231962, 463924, 579905, 1159810, 1275791, 2319620, 2551582, 5103164, 6378955, 12757910, 25515820]

約数ペア:

[(1, 25515820), (2, 12757910), (4, 6378955), (5, 5103164), (10, 2551582), (11, 2319620), (20, 1275791), (22, 1159810), (44, 579905), (55, 463924), (110, 231962), (220, 115981)]