81038576

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{7877}}^1$

素因数の和:8528

約数の個数: 20

約数和(自身を含む): 157276392

約数和(自身を除く): 76237816

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 7877, 10288, 15754, 31508, 63016, 126032, 5064911, 10129822, 20259644, 40519288, 81038576]

約数ペア:

[(1, 81038576), (2, 40519288), (4, 20259644), (8, 10129822), (16, 5064911), (643, 126032), (1286, 63016), (2572, 31508), (5144, 15754), (7877, 10288)]