39723080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 91113660

約数和(自身を除く): 51390580

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 197, 284, 355, 394, 568, 710, 788, 985, 1420, 1576, 1970, 2840, 3940, 5041, 7880, 10082, 13987, 20164, 25205, 27974, 40328, 50410, 55948, 69935, 100820, 111896, 139870, 201640, 279740, 559480, 993077, 1986154, 3972308, 4965385, 7944616, 9930770, 19861540, 39723080]

約数ペア:

[(1, 39723080), (2, 19861540), (4, 9930770), (5, 7944616), (8, 4965385), (10, 3972308), (20, 1986154), (40, 993077), (71, 559480), (142, 279740), (197, 201640), (284, 139870), (355, 111896), (394, 100820), (568, 69935), (710, 55948), (788, 50410), (985, 40328), (1420, 27974), (1576, 25205), (1970, 20164), (2840, 13987), (3940, 10082), (5041, 7880)]