89257780

素因数分解:

$2^2\times 5^1\times {\mathrm{4462889}}^1$

素因数の和:4462898

約数の個数: 12

約数和(自身を含む): 187441380

約数和(自身を除く): 98183600

約数列:

[1, 2, 4, 5, 10, 20, 4462889, 8925778, 17851556, 22314445, 44628890, 89257780]

約数ペア:

[(1, 89257780), (2, 44628890), (4, 22314445), (5, 17851556), (10, 8925778), (20, 4462889)]