2040080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3643}}^1$

素因数の和:3663

約数の個数: 40

約数和(自身を含む): 5422272

約数和(自身を除く): 3382192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3643, 7286, 14572, 18215, 25501, 29144, 36430, 51002, 58288, 72860, 102004, 127505, 145720, 204008, 255010, 291440, 408016, 510020, 1020040, 2040080]

約数ペア:

[(1, 2040080), (2, 1020040), (4, 510020), (5, 408016), (7, 291440), (8, 255010), (10, 204008), (14, 145720), (16, 127505), (20, 102004), (28, 72860), (35, 58288), (40, 51002), (56, 36430), (70, 29144), (80, 25501), (112, 18215), (140, 14572), (280, 7286), (560, 3643)]