4081008080

素因数分解:

$2^4\times 5^1\times {\mathrm{51012601}}^1$

素因数の和:51012614

約数の個数: 20

約数和(自身を含む): 9488343972

約数和(自身を除く): 5407335892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51012601, 102025202, 204050404, 255063005, 408100808, 510126010, 816201616, 1020252020, 2040504040, 4081008080]

約数ペア:

[(1, 4081008080), (2, 2040504040), (4, 1020252020), (5, 816201616), (8, 510126010), (10, 408100808), (16, 255063005), (20, 204050404), (40, 102025202), (80, 51012601)]