2640008

素因数分解:

$2^3\times 7^1\times {\mathrm{47143}}^1$

素因数の和:47156

約数の個数: 16

約数和(自身を含む): 5657280

約数和(自身を除く): 3017272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 47143, 94286, 188572, 330001, 377144, 660002, 1320004, 2640008]

約数ペア:

[(1, 2640008), (2, 1320004), (4, 660002), (7, 377144), (8, 330001), (14, 188572), (28, 94286), (56, 47143)]