81548120

素因数分解:

$2^3\times 5^1\times {\mathrm{2038703}}^1$

素因数の和:2038714

約数の個数: 16

約数和(自身を含む): 183483360

約数和(自身を除く): 101935240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2038703, 4077406, 8154812, 10193515, 16309624, 20387030, 40774060, 81548120]

約数ペア:

[(1, 81548120), (2, 40774060), (4, 20387030), (5, 16309624), (8, 10193515), (10, 8154812), (20, 4077406), (40, 2038703)]