85543280

素因数分解:

$2^4\times 5^1\times {\mathrm{1069291}}^1$

素因数の和:1069304

約数の個数: 20

約数和(自身を含む): 198888312

約数和(自身を除く): 113345032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1069291, 2138582, 4277164, 5346455, 8554328, 10692910, 17108656, 21385820, 42771640, 85543280]

約数ペア:

[(1, 85543280), (2, 42771640), (4, 21385820), (5, 17108656), (8, 10692910), (10, 8554328), (16, 5346455), (20, 4277164), (40, 2138582), (80, 1069291)]