80014040

素因数分解:

$2^3\times 5^1\times {\mathrm{2000351}}^1$

素因数の和:2000362

約数の個数: 16

約数和(自身を含む): 180031680

約数和(自身を除く): 100017640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2000351, 4000702, 8001404, 10001755, 16002808, 20003510, 40007020, 80014040]

約数ペア:

[(1, 80014040), (2, 40007020), (4, 20003510), (5, 16002808), (8, 10001755), (10, 8001404), (20, 4000702), (40, 2000351)]