80641264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{458189}}^1$

素因数の和:458208

約数の個数: 20

約数和(自身を含む): 170446680

約数和(自身を除く): 89805416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 458189, 916378, 1832756, 3665512, 5040079, 7331024, 10080158, 20160316, 40320632, 80641264]

約数ペア:

[(1, 80641264), (2, 40320632), (4, 20160316), (8, 10080158), (11, 7331024), (16, 5040079), (22, 3665512), (44, 1832756), (88, 916378), (176, 458189)]