8516508740

素因数分解:

$2^2\times 5^1\times {\mathrm{20261}}^1\times {\mathrm{21017}}^1$

素因数の和:41287

約数の個数: 24

約数和(自身を含む): 17886402072

約数和(自身を除く): 9369893332

約数列:

[1, 2, 4, 5, 10, 20, 20261, 21017, 40522, 42034, 81044, 84068, 101305, 105085, 202610, 210170, 405220, 420340, 425825437, 851650874, 1703301748, 2129127185, 4258254370, 8516508740]

約数ペア:

[(1, 8516508740), (2, 4258254370), (4, 2129127185), (5, 1703301748), (10, 851650874), (20, 425825437), (20261, 420340), (21017, 405220), (40522, 210170), (42034, 202610), (81044, 105085), (84068, 101305)]