85707280

素因数分解:

$2^4\times 5^1\times {\mathrm{1071341}}^1$

素因数の和:1071354

約数の個数: 20

約数和(自身を含む): 199269612

約数和(自身を除く): 113562332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1071341, 2142682, 4285364, 5356705, 8570728, 10713410, 17141456, 21426820, 42853640, 85707280]

約数ペア:

[(1, 85707280), (2, 42853640), (4, 21426820), (5, 17141456), (8, 10713410), (10, 8570728), (16, 5356705), (20, 4285364), (40, 2142682), (80, 1071341)]