80541712

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122777}}^1$

素因数の和:122826

約数の個数: 20

約数和(自身を含む): 159856956

約数和(自身を除く): 79315244

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122777, 245554, 491108, 982216, 1964432, 5033857, 10067714, 20135428, 40270856, 80541712]

約数ペア:

[(1, 80541712), (2, 40270856), (4, 20135428), (8, 10067714), (16, 5033857), (41, 1964432), (82, 982216), (164, 491108), (328, 245554), (656, 122777)]