204560656

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{180071}}^1$

素因数の和:180150

約数の個数: 20

約数和(自身を含む): 401920704

約数和(自身を除く): 197360048

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 180071, 360142, 720284, 1440568, 2881136, 12785041, 25570082, 51140164, 102280328, 204560656]

約数ペア:

[(1, 204560656), (2, 102280328), (4, 51140164), (8, 25570082), (16, 12785041), (71, 2881136), (142, 1440568), (284, 720284), (568, 360142), (1136, 180071)]