40594960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 109492992

約数和(自身を除く): 68898032

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, 994, 1021, 1136, 1420, 1988, 2042, 2485, 2840, 3976, 4084, 4970, 5105, 5680, 7147, 7952, 8168, 9940, 10210, 14294, 16336, 19880, 20420, 28588, 35735, 39760, 40840, 57176, 71470, 72491, 81680, 114352, 142940, 144982, 285880, 289964, 362455, 507437, 571760, 579928, 724910, 1014874, 1159856, 1449820, 2029748, 2537185, 2899640, 4059496, 5074370, 5799280, 8118992, 10148740, 20297480, 40594960]

約数ペア:

[(1, 40594960), (2, 20297480), (4, 10148740), (5, 8118992), (7, 5799280), (8, 5074370), (10, 4059496), (14, 2899640), (16, 2537185), (20, 2029748), (28, 1449820), (35, 1159856), (40, 1014874), (56, 724910), (70, 579928), (71, 571760), (80, 507437), (112, 362455), (140, 289964), (142, 285880), (280, 144982), (284, 142940), (355, 114352), (497, 81680), (560, 72491), (568, 71470), (710, 57176), (994, 40840), (1021, 39760), (1136, 35735), (1420, 28588), (1988, 20420), (2042, 19880), (2485, 16336), (2840, 14294), (3976, 10210), (4084, 9940), (4970, 8168), (5105, 7952), (5680, 7147)]