28687640

素因数分解:

$2^3\times 5^1\times {\mathrm{717191}}^1$

素因数の和:717202

約数の個数: 16

約数和(自身を含む): 64547280

約数和(自身を除く): 35859640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 717191, 1434382, 2868764, 3585955, 5737528, 7171910, 14343820, 28687640]

約数ペア:

[(1, 28687640), (2, 14343820), (4, 7171910), (5, 5737528), (8, 3585955), (10, 2868764), (20, 1434382), (40, 717191)]