80089564

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 36

約数和(自身を含む): 147530152

約数和(自身を除く): 67440588

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 277, 554, 1108, 1681, 1763, 3362, 3526, 6724, 7052, 11357, 11911, 22714, 23822, 45428, 47644, 72283, 144566, 289132, 465637, 488351, 931274, 976702, 1862548, 1953404, 20022391, 40044782, 80089564]

約数ペア:

[(1, 80089564), (2, 40044782), (4, 20022391), (41, 1953404), (43, 1862548), (82, 976702), (86, 931274), (164, 488351), (172, 465637), (277, 289132), (554, 144566), (1108, 72283), (1681, 47644), (1763, 45428), (3362, 23822), (3526, 22714), (6724, 11911), (7052, 11357)]