85555280

素因数分解:

$2^4\times 5^1\times {\mathrm{1069441}}^1$

素因数の和:1069454

約数の個数: 20

約数和(自身を含む): 198916212

約数和(自身を除く): 113360932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1069441, 2138882, 4277764, 5347205, 8555528, 10694410, 17111056, 21388820, 42777640, 85555280]

約数ペア:

[(1, 85555280), (2, 42777640), (4, 21388820), (5, 17111056), (8, 10694410), (10, 8555528), (16, 5347205), (20, 4277764), (40, 2138882), (80, 1069441)]