80665264

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{9319}}^1$

素因数の和:9868

約数の個数: 20

約数和(自身を含む): 156594640

約数和(自身を除く): 75929376

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 4328, 8656, 9319, 18638, 37276, 74552, 149104, 5041579, 10083158, 20166316, 40332632, 80665264]

約数ペア:

[(1, 80665264), (2, 40332632), (4, 20166316), (8, 10083158), (16, 5041579), (541, 149104), (1082, 74552), (2164, 37276), (4328, 18638), (8656, 9319)]