55485080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2880

約数の個数: 64

約数和(自身を含む): 144737280

約数和(自身を除く): 89252200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2791, 2840, 3976, 4970, 5582, 9940, 11164, 13955, 19537, 19880, 22328, 27910, 39074, 55820, 78148, 97685, 111640, 156296, 195370, 198161, 390740, 396322, 781480, 792644, 990805, 1387127, 1585288, 1981610, 2774254, 3963220, 5548508, 6935635, 7926440, 11097016, 13871270, 27742540, 55485080]

約数ペア:

[(1, 55485080), (2, 27742540), (4, 13871270), (5, 11097016), (7, 7926440), (8, 6935635), (10, 5548508), (14, 3963220), (20, 2774254), (28, 1981610), (35, 1585288), (40, 1387127), (56, 990805), (70, 792644), (71, 781480), (140, 396322), (142, 390740), (280, 198161), (284, 195370), (355, 156296), (497, 111640), (568, 97685), (710, 78148), (994, 55820), (1420, 39074), (1988, 27910), (2485, 22328), (2791, 19880), (2840, 19537), (3976, 13955), (4970, 11164), (5582, 9940)]