68467120

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6247}}^1$

素因数の和:6397

約数の個数: 40

約数和(自身を含む): 160373664

約数和(自身を除く): 91906544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 6247, 10960, 12494, 24988, 31235, 49976, 62470, 99952, 124940, 249880, 499760, 855839, 1711678, 3423356, 4279195, 6846712, 8558390, 13693424, 17116780, 34233560, 68467120]

約数ペア:

[(1, 68467120), (2, 34233560), (4, 17116780), (5, 13693424), (8, 8558390), (10, 6846712), (16, 4279195), (20, 3423356), (40, 1711678), (80, 855839), (137, 499760), (274, 249880), (548, 124940), (685, 99952), (1096, 62470), (1370, 49976), (2192, 31235), (2740, 24988), (5480, 12494), (6247, 10960)]