20180494040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72073193}}^1$

素因数の和:72073211

約数の個数: 32

約数和(自身を含む): 51892699680

約数和(自身を除く): 31712205640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72073193, 144146386, 288292772, 360365965, 504512351, 576585544, 720731930, 1009024702, 1441463860, 2018049404, 2522561755, 2882927720, 4036098808, 5045123510, 10090247020, 20180494040]

約数ペア:

[(1, 20180494040), (2, 10090247020), (4, 5045123510), (5, 4036098808), (7, 2882927720), (8, 2522561755), (10, 2018049404), (14, 1441463860), (20, 1009024702), (28, 720731930), (35, 576585544), (40, 504512351), (56, 360365965), (70, 288292772), (140, 144146386), (280, 72073193)]