868004080

素因数分解:

$2^4\times 5^1\times {\mathrm{10850051}}^1$

素因数の和:10850064

約数の個数: 20

約数和(自身を含む): 2018109672

約数和(自身を除く): 1150105592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10850051, 21700102, 43400204, 54250255, 86800408, 108500510, 173600816, 217001020, 434002040, 868004080]

約数ペア:

[(1, 868004080), (2, 434002040), (4, 217001020), (5, 173600816), (8, 108500510), (10, 86800408), (16, 54250255), (20, 43400204), (40, 21700102), (80, 10850051)]