8204080

素因数分解:

$2^4\times 5^1\times {\mathrm{102551}}^1$

素因数の和:102564

約数の個数: 20

約数和(自身を含む): 19074672

約数和(自身を除く): 10870592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102551, 205102, 410204, 512755, 820408, 1025510, 1640816, 2051020, 4102040, 8204080]

約数ペア:

[(1, 8204080), (2, 4102040), (4, 2051020), (5, 1640816), (8, 1025510), (10, 820408), (16, 512755), (20, 410204), (40, 205102), (80, 102551)]