28251640

素因数分解:

$2^3\times 5^1\times {\mathrm{706291}}^1$

素因数の和:706302

約数の個数: 16

約数和(自身を含む): 63566280

約数和(自身を除く): 35314640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 706291, 1412582, 2825164, 3531455, 5650328, 7062910, 14125820, 28251640]

約数ペア:

[(1, 28251640), (2, 14125820), (4, 7062910), (5, 5650328), (8, 3531455), (10, 2825164), (20, 1412582), (40, 706291)]