68026780

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3371}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 143040240

約数和(自身を除く): 75013460

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3371, 4036, 5045, 6742, 10090, 13484, 16855, 20180, 33710, 67420, 3401339, 6802678, 13605356, 17006695, 34013390, 68026780]

約数ペア:

[(1, 68026780), (2, 34013390), (4, 17006695), (5, 13605356), (10, 6802678), (20, 3401339), (1009, 67420), (2018, 33710), (3371, 20180), (4036, 16855), (5045, 13484), (6742, 10090)]