9788540

素因数分解:

$2^2\times 5^1\times {\mathrm{489427}}^1$

素因数の和:489436

約数の個数: 12

約数和(自身を含む): 20555976

約数和(自身を除く): 10767436

約数列:

[1, 2, 4, 5, 10, 20, 489427, 978854, 1957708, 2447135, 4894270, 9788540]

約数ペア:

[(1, 9788540), (2, 4894270), (4, 2447135), (5, 1957708), (10, 978854), (20, 489427)]