2565080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9161}}^1$

素因数の和:9179

約数の個数: 32

約数和(自身を含む): 6596640

約数和(自身を除く): 4031560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9161, 18322, 36644, 45805, 64127, 73288, 91610, 128254, 183220, 256508, 320635, 366440, 513016, 641270, 1282540, 2565080]

約数ペア:

[(1, 2565080), (2, 1282540), (4, 641270), (5, 513016), (7, 366440), (8, 320635), (10, 256508), (14, 183220), (20, 128254), (28, 91610), (35, 73288), (40, 64127), (56, 45805), (70, 36644), (140, 18322), (280, 9161)]