8720060

素因数分解:

$2^2\times 5^1\times {\mathrm{436003}}^1$

素因数の和:436012

約数の個数: 12

約数和(自身を含む): 18312168

約数和(自身を除く): 9592108

約数列:

[1, 2, 4, 5, 10, 20, 436003, 872006, 1744012, 2180015, 4360030, 8720060]

約数ペア:

[(1, 8720060), (2, 4360030), (4, 2180015), (5, 1744012), (10, 872006), (20, 436003)]