8506220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4211}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 18044208

約数和(自身を除く): 9537988

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4211, 8422, 16844, 21055, 42110, 84220, 425311, 850622, 1701244, 2126555, 4253110, 8506220]

約数ペア:

[(1, 8506220), (2, 4253110), (4, 2126555), (5, 1701244), (10, 850622), (20, 425311), (101, 84220), (202, 42110), (404, 21055), (505, 16844), (1010, 8422), (2020, 4211)]