5255980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2411}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 11143440

約数和(自身を除く): 5887460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 2411, 4822, 9644, 12055, 24110, 48220, 262799, 525598, 1051196, 1313995, 2627990, 5255980]

約数ペア:

[(1, 5255980), (2, 2627990), (4, 1313995), (5, 1051196), (10, 525598), (20, 262799), (109, 48220), (218, 24110), (436, 12055), (545, 9644), (1090, 4822), (2180, 2411)]