85760720

素因数分解:

$2^4\times 5^1\times {\mathrm{1072009}}^1$

素因数の和:1072022

約数の個数: 20

約数和(自身を含む): 199393860

約数和(自身を除く): 113633140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1072009, 2144018, 4288036, 5360045, 8576072, 10720090, 17152144, 21440180, 42880360, 85760720]

約数ペア:

[(1, 85760720), (2, 42880360), (4, 21440180), (5, 17152144), (8, 10720090), (10, 8576072), (16, 5360045), (20, 4288036), (40, 2144018), (80, 1072009)]