158565520

素因数分解:

$2^4\times 5^1\times {\mathrm{1982069}}^1$

素因数の和:1982082

約数の個数: 20

約数和(自身を含む): 368665020

約数和(自身を除く): 210099500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1982069, 3964138, 7928276, 9910345, 15856552, 19820690, 31713104, 39641380, 79282760, 158565520]

約数ペア:

[(1, 158565520), (2, 79282760), (4, 39641380), (5, 31713104), (8, 19820690), (10, 15856552), (16, 9910345), (20, 7928276), (40, 3964138), (80, 1982069)]