65686280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149287}}^1$

素因数の和:149309

約数の個数: 32

約数和(自身を含む): 161231040

約数和(自身を除く): 95544760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 149287, 298574, 597148, 746435, 1194296, 1492870, 1642157, 2985740, 3284314, 5971480, 6568628, 8210785, 13137256, 16421570, 32843140, 65686280]

約数ペア:

[(1, 65686280), (2, 32843140), (4, 16421570), (5, 13137256), (8, 8210785), (10, 6568628), (11, 5971480), (20, 3284314), (22, 2985740), (40, 1642157), (44, 1492870), (55, 1194296), (88, 746435), (110, 597148), (220, 298574), (440, 149287)]