2585080

素因数分解:

$2^3\times 5^1\times {\mathrm{64627}}^1$

素因数の和:64638

約数の個数: 16

約数和(自身を含む): 5816520

約数和(自身を除く): 3231440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 64627, 129254, 258508, 323135, 517016, 646270, 1292540, 2585080]

約数ペア:

[(1, 2585080), (2, 1292540), (4, 646270), (5, 517016), (8, 323135), (10, 258508), (20, 129254), (40, 64627)]