80165168

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122203}}^1$

素因数の和:122252

約数の個数: 20

約数和(自身を含む): 159109608

約数和(自身を除く): 78944440

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122203, 244406, 488812, 977624, 1955248, 5010323, 10020646, 20041292, 40082584, 80165168]

約数ペア:

[(1, 80165168), (2, 40082584), (4, 20041292), (8, 10020646), (16, 5010323), (41, 1955248), (82, 977624), (164, 488812), (328, 244406), (656, 122203)]