80640136

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4423}}^1$

素因数の和:4525

約数の個数: 32

約数和(自身を含む): 157671360

約数和(自身を除く): 77031224

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 2279, 4423, 4558, 8846, 9116, 17692, 18232, 35384, 190189, 234419, 380378, 468838, 760756, 937676, 1521512, 1875352, 10080017, 20160034, 40320068, 80640136]

約数ペア:

[(1, 80640136), (2, 40320068), (4, 20160034), (8, 10080017), (43, 1875352), (53, 1521512), (86, 937676), (106, 760756), (172, 468838), (212, 380378), (344, 234419), (424, 190189), (2279, 35384), (4423, 18232), (4558, 17692), (8846, 9116)]