204525080

素因数分解:

$2^3\times 5^1\times {\mathrm{5113127}}^1$

素因数の和:5113138

約数の個数: 16

約数和(自身を含む): 460181520

約数和(自身を除く): 255656440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5113127, 10226254, 20452508, 25565635, 40905016, 51131270, 102262540, 204525080]

約数ペア:

[(1, 204525080), (2, 102262540), (4, 51131270), (5, 40905016), (8, 25565635), (10, 20452508), (20, 10226254), (40, 5113127)]