2011567280

素因数分解:

$2^4\times 5^1\times {\mathrm{25144591}}^1$

素因数の和:25144604

約数の個数: 20

約数和(自身を含む): 4676894112

約数和(自身を除く): 2665326832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25144591, 50289182, 100578364, 125722955, 201156728, 251445910, 402313456, 502891820, 1005783640, 2011567280]

約数ペア:

[(1, 2011567280), (2, 1005783640), (4, 502891820), (5, 402313456), (8, 251445910), (10, 201156728), (16, 125722955), (20, 100578364), (40, 50289182), (80, 25144591)]