10808080

素因数分解:

$2^4\times 5^1\times {\mathrm{135101}}^1$

素因数の和:135114

約数の個数: 20

約数和(自身を含む): 25128972

約数和(自身を除く): 14320892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 135101, 270202, 540404, 675505, 1080808, 1351010, 2161616, 2702020, 5404040, 10808080]

約数ペア:

[(1, 10808080), (2, 5404040), (4, 2702020), (5, 2161616), (8, 1351010), (10, 1080808), (16, 675505), (20, 540404), (40, 270202), (80, 135101)]