18090080

素因数分解:

$2^5\times 5^1\times {\mathrm{113063}}^1$

素因数の和:113078

約数の個数: 24

約数和(自身を含む): 42738192

約数和(自身を除く): 24648112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113063, 226126, 452252, 565315, 904504, 1130630, 1809008, 2261260, 3618016, 4522520, 9045040, 18090080]

約数ペア:

[(1, 18090080), (2, 9045040), (4, 4522520), (5, 3618016), (8, 2261260), (10, 1809008), (16, 1130630), (20, 904504), (32, 565315), (40, 452252), (80, 226126), (160, 113063)]