8943280

素因数分解:

$2^4\times 5^1\times {\mathrm{111791}}^1$

素因数の和:111804

約数の個数: 20

約数和(自身を含む): 20793312

約数和(自身を除く): 11850032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 111791, 223582, 447164, 558955, 894328, 1117910, 1788656, 2235820, 4471640, 8943280]

約数ペア:

[(1, 8943280), (2, 4471640), (4, 2235820), (5, 1788656), (8, 1117910), (10, 894328), (16, 558955), (20, 447164), (40, 223582), (80, 111791)]