1625080

素因数分解:

$2^3\times 5^1\times {\mathrm{40627}}^1$

素因数の和:40638

約数の個数: 16

約数和(自身を含む): 3656520

約数和(自身を除く): 2031440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40627, 81254, 162508, 203135, 325016, 406270, 812540, 1625080]

約数ペア:

[(1, 1625080), (2, 812540), (4, 406270), (5, 325016), (8, 203135), (10, 162508), (20, 81254), (40, 40627)]