86860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 188496

約数和(自身を除く): 101636

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 404, 430, 505, 860, 1010, 2020, 4343, 8686, 17372, 21715, 43430, 86860]

約数ペア:

[(1, 86860), (2, 43430), (4, 21715), (5, 17372), (10, 8686), (20, 4343), (43, 2020), (86, 1010), (101, 860), (172, 505), (202, 430), (215, 404)]