85611640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21191}}^1$

素因数の和:21303

約数の個数: 32

約数和(自身を含む): 194542560

約数和(自身を除く): 108930920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 21191, 42382, 84764, 105955, 169528, 211910, 423820, 847640, 2140291, 4280582, 8561164, 10701455, 17122328, 21402910, 42805820, 85611640]

約数ペア:

[(1, 85611640), (2, 42805820), (4, 21402910), (5, 17122328), (8, 10701455), (10, 8561164), (20, 4280582), (40, 2140291), (101, 847640), (202, 423820), (404, 211910), (505, 169528), (808, 105955), (1010, 84764), (2020, 42382), (4040, 21191)]