26565520

素因数分解:

$2^4\times 5^1\times {\mathrm{332069}}^1$

素因数の和:332082

約数の個数: 20

約数和(自身を含む): 61765020

約数和(自身を除く): 35199500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 332069, 664138, 1328276, 1660345, 2656552, 3320690, 5313104, 6641380, 13282760, 26565520]

約数ペア:

[(1, 26565520), (2, 13282760), (4, 6641380), (5, 5313104), (8, 3320690), (10, 2656552), (16, 1660345), (20, 1328276), (40, 664138), (80, 332069)]