51069640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12641}}^1$

素因数の和:12753

約数の個数: 32

約数和(自身を含む): 116053560

約数和(自身を除く): 64983920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 12641, 25282, 50564, 63205, 101128, 126410, 252820, 505640, 1276741, 2553482, 5106964, 6383705, 10213928, 12767410, 25534820, 51069640]

約数ペア:

[(1, 51069640), (2, 25534820), (4, 12767410), (5, 10213928), (8, 6383705), (10, 5106964), (20, 2553482), (40, 1276741), (101, 505640), (202, 252820), (404, 126410), (505, 101128), (808, 63205), (1010, 50564), (2020, 25282), (4040, 12641)]