84085520

素因数分解:

$2^4\times 5^1\times {\mathrm{1051069}}^1$

素因数の和:1051082

約数の個数: 20

約数和(自身を含む): 195499020

約数和(自身を除く): 111413500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1051069, 2102138, 4204276, 5255345, 8408552, 10510690, 16817104, 21021380, 42042760, 84085520]

約数ペア:

[(1, 84085520), (2, 42042760), (4, 21021380), (5, 16817104), (8, 10510690), (10, 8408552), (16, 5255345), (20, 4204276), (40, 2102138), (80, 1051069)]