80706320

素因数分解:

$2^4\times 5^1\times {\mathrm{1008829}}^1$

素因数の和:1008842

約数の個数: 20

約数和(自身を含む): 187642380

約数和(自身を除く): 106936060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1008829, 2017658, 4035316, 5044145, 8070632, 10088290, 16141264, 20176580, 40353160, 80706320]

約数ペア:

[(1, 80706320), (2, 40353160), (4, 20176580), (5, 16141264), (8, 10088290), (10, 8070632), (16, 5044145), (20, 4035316), (40, 2017658), (80, 1008829)]