80596816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122861}}^1$

素因数の和:122910

約数の個数: 20

約数和(自身を含む): 159966324

約数和(自身を除く): 79369508

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122861, 245722, 491444, 982888, 1965776, 5037301, 10074602, 20149204, 40298408, 80596816]

約数ペア:

[(1, 80596816), (2, 40298408), (4, 20149204), (8, 10074602), (16, 5037301), (41, 1965776), (82, 982888), (164, 491444), (328, 245722), (656, 122861)]