80643252

素因数分解:

$2^2\times 3^1\times {\mathrm{6720271}}^1$

素因数の和:6720278

約数の個数: 12

約数和(自身を含む): 188167616

約数和(自身を除く): 107524364

約数列:

[1, 2, 3, 4, 6, 12, 6720271, 13440542, 20160813, 26881084, 40321626, 80643252]

約数ペア:

[(1, 80643252), (2, 40321626), (3, 26881084), (4, 20160813), (6, 13440542), (12, 6720271)]