68231480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12451}}^1$

素因数の和:12599

約数の個数: 32

約数和(自身を含む): 154653840

約数和(自身を除く): 86422360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 12451, 24902, 49804, 62255, 99608, 124510, 249020, 498040, 1705787, 3411574, 6823148, 8528935, 13646296, 17057870, 34115740, 68231480]

約数ペア:

[(1, 68231480), (2, 34115740), (4, 17057870), (5, 13646296), (8, 8528935), (10, 6823148), (20, 3411574), (40, 1705787), (137, 498040), (274, 249020), (548, 124510), (685, 99608), (1096, 62255), (1370, 49804), (2740, 24902), (5480, 12451)]