39402160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1082

約数の個数: 80

約数和(自身を含む): 106278912

約数和(自身を除く): 66876752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 991, 994, 1136, 1420, 1982, 1988, 2485, 2840, 3964, 3976, 4955, 4970, 5680, 6937, 7928, 7952, 9910, 9940, 13874, 15856, 19820, 19880, 27748, 34685, 39640, 39760, 55496, 69370, 70361, 79280, 110992, 138740, 140722, 277480, 281444, 351805, 492527, 554960, 562888, 703610, 985054, 1125776, 1407220, 1970108, 2462635, 2814440, 3940216, 4925270, 5628880, 7880432, 9850540, 19701080, 39402160]

約数ペア:

[(1, 39402160), (2, 19701080), (4, 9850540), (5, 7880432), (7, 5628880), (8, 4925270), (10, 3940216), (14, 2814440), (16, 2462635), (20, 1970108), (28, 1407220), (35, 1125776), (40, 985054), (56, 703610), (70, 562888), (71, 554960), (80, 492527), (112, 351805), (140, 281444), (142, 277480), (280, 140722), (284, 138740), (355, 110992), (497, 79280), (560, 70361), (568, 69370), (710, 55496), (991, 39760), (994, 39640), (1136, 34685), (1420, 27748), (1982, 19880), (1988, 19820), (2485, 15856), (2840, 13874), (3964, 9940), (3976, 9910), (4955, 7952), (4970, 7928), (5680, 6937)]