102139280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12641}}^1$

素因数の和:12755

約数の個数: 40

約数和(自身を含む): 239844024

約数和(自身を除く): 137704744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 12641, 25282, 50564, 63205, 101128, 126410, 202256, 252820, 505640, 1011280, 1276741, 2553482, 5106964, 6383705, 10213928, 12767410, 20427856, 25534820, 51069640, 102139280]

約数ペア:

[(1, 102139280), (2, 51069640), (4, 25534820), (5, 20427856), (8, 12767410), (10, 10213928), (16, 6383705), (20, 5106964), (40, 2553482), (80, 1276741), (101, 1011280), (202, 505640), (404, 252820), (505, 202256), (808, 126410), (1010, 101128), (1616, 63205), (2020, 50564), (4040, 25282), (8080, 12641)]