68288560

素因数分解:

$2^4\times 5^1\times {\mathrm{911}}^1\times {\mathrm{937}}^1$

素因数の和:1861

約数の個数: 40

約数和(自身を含む): 159114816

約数和(自身を除く): 90826256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911, 937, 1822, 1874, 3644, 3748, 4555, 4685, 7288, 7496, 9110, 9370, 14576, 14992, 18220, 18740, 36440, 37480, 72880, 74960, 853607, 1707214, 3414428, 4268035, 6828856, 8536070, 13657712, 17072140, 34144280, 68288560]

約数ペア:

[(1, 68288560), (2, 34144280), (4, 17072140), (5, 13657712), (8, 8536070), (10, 6828856), (16, 4268035), (20, 3414428), (40, 1707214), (80, 853607), (911, 74960), (937, 72880), (1822, 37480), (1874, 36440), (3644, 18740), (3748, 18220), (4555, 14992), (4685, 14576), (7288, 9370), (7496, 9110)]