8906180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4409}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 18892440

約数和(自身を除く): 9986260

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4409, 8818, 17636, 22045, 44090, 88180, 445309, 890618, 1781236, 2226545, 4453090, 8906180]

約数ペア:

[(1, 8906180), (2, 4453090), (4, 2226545), (5, 1781236), (10, 890618), (20, 445309), (101, 88180), (202, 44090), (404, 22045), (505, 17636), (1010, 8818), (2020, 4409)]