8509420

素因数分解:

$2^2\times 5^1\times {\mathrm{425471}}^1$

素因数の和:425480

約数の個数: 12

約数和(自身を含む): 17869824

約数和(自身を除く): 9360404

約数列:

[1, 2, 4, 5, 10, 20, 425471, 850942, 1701884, 2127355, 4254710, 8509420]

約数ペア:

[(1, 8509420), (2, 4254710), (4, 2127355), (5, 1701884), (10, 850942), (20, 425471)]