65814880

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{937}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 156008160

約数和(自身を除く): 90193280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 937, 1756, 1874, 2195, 3512, 3748, 4390, 4685, 7024, 7496, 8780, 9370, 14048, 14992, 17560, 18740, 29984, 35120, 37480, 70240, 74960, 149920, 411343, 822686, 1645372, 2056715, 3290744, 4113430, 6581488, 8226860, 13162976, 16453720, 32907440, 65814880]

約数ペア:

[(1, 65814880), (2, 32907440), (4, 16453720), (5, 13162976), (8, 8226860), (10, 6581488), (16, 4113430), (20, 3290744), (32, 2056715), (40, 1645372), (80, 822686), (160, 411343), (439, 149920), (878, 74960), (937, 70240), (1756, 37480), (1874, 35120), (2195, 29984), (3512, 18740), (3748, 17560), (4390, 14992), (4685, 14048), (7024, 9370), (7496, 8780)]