8729080

素因数分解:

$2^3\times 5^1\times {\mathrm{218227}}^1$

素因数の和:218238

約数の個数: 16

約数和(自身を含む): 19640520

約数和(自身を除く): 10911440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 218227, 436454, 872908, 1091135, 1745816, 2182270, 4364540, 8729080]

約数ペア:

[(1, 8729080), (2, 4364540), (4, 2182270), (5, 1745816), (8, 1091135), (10, 872908), (20, 436454), (40, 218227)]