80632540

素因数分解:

$2^2\times 5^1\times {\mathrm{4031627}}^1$

素因数の和:4031636

約数の個数: 12

約数和(自身を含む): 169328376

約数和(自身を除く): 88695836

約数列:

[1, 2, 4, 5, 10, 20, 4031627, 8063254, 16126508, 20158135, 40316270, 80632540]

約数ペア:

[(1, 80632540), (2, 40316270), (4, 20158135), (5, 16126508), (10, 8063254), (20, 4031627)]