890308880

素因数分解:

$2^4\times 5^1\times {\mathrm{11128861}}^1$

素因数の和:11128874

約数の個数: 20

約数和(自身を含む): 2069968332

約数和(自身を除く): 1179659452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11128861, 22257722, 44515444, 55644305, 89030888, 111288610, 178061776, 222577220, 445154440, 890308880]

約数ペア:

[(1, 890308880), (2, 445154440), (4, 222577220), (5, 178061776), (8, 111288610), (10, 89030888), (16, 55644305), (20, 44515444), (40, 22257722), (80, 11128861)]