28779740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130817}}^1$

素因数の和:130837

約数の個数: 24

約数和(自身を含む): 65932272

約数和(自身を除く): 37152532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130817, 261634, 523268, 654085, 1308170, 1438987, 2616340, 2877974, 5755948, 7194935, 14389870, 28779740]

約数ペア:

[(1, 28779740), (2, 14389870), (4, 7194935), (5, 5755948), (10, 2877974), (11, 2616340), (20, 1438987), (22, 1308170), (44, 654085), (55, 523268), (110, 261634), (220, 130817)]