68604080

素因数分解:

$2^4\times 5^1\times {\mathrm{857551}}^1$

素因数の和:857564

約数の個数: 20

約数和(自身を含む): 159504672

約数和(自身を除く): 90900592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857551, 1715102, 3430204, 4287755, 6860408, 8575510, 13720816, 17151020, 34302040, 68604080]

約数ペア:

[(1, 68604080), (2, 34302040), (4, 17151020), (5, 13720816), (8, 8575510), (10, 6860408), (16, 4287755), (20, 3430204), (40, 1715102), (80, 857551)]