68042140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47917}}^1$

素因数の和:47997

約数の個数: 24

約数和(自身を含む): 144904032

約数和(自身を除く): 76861892

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 47917, 95834, 191668, 239585, 479170, 958340, 3402107, 6804214, 13608428, 17010535, 34021070, 68042140]

約数ペア:

[(1, 68042140), (2, 34021070), (4, 17010535), (5, 13608428), (10, 6804214), (20, 3402107), (71, 958340), (142, 479170), (284, 239585), (355, 191668), (710, 95834), (1420, 47917)]