2661069520

素因数分解:

$2^4\times 5^1\times {\mathrm{33263369}}^1$

素因数の和:33263382

約数の個数: 20

約数和(自身を含む): 6186986820

約数和(自身を除く): 3525917300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33263369, 66526738, 133053476, 166316845, 266106952, 332633690, 532213904, 665267380, 1330534760, 2661069520]

約数ペア:

[(1, 2661069520), (2, 1330534760), (4, 665267380), (5, 532213904), (8, 332633690), (10, 266106952), (16, 166316845), (20, 133053476), (40, 66526738), (80, 33263369)]