80657864

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2179}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 173179200

約数和(自身を除く): 92521336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 1322, 2179, 2644, 4358, 4627, 5288, 8716, 9254, 15253, 17432, 18508, 30506, 37016, 61012, 122024, 1440319, 2880638, 5761276, 10082233, 11522552, 20164466, 40328932, 80657864]

約数ペア:

[(1, 80657864), (2, 40328932), (4, 20164466), (7, 11522552), (8, 10082233), (14, 5761276), (28, 2880638), (56, 1440319), (661, 122024), (1322, 61012), (2179, 37016), (2644, 30506), (4358, 18508), (4627, 17432), (5288, 15253), (8716, 9254)]