28264580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34469}}^1$

素因数の和:34519

約数の個数: 24

約数和(自身を含む): 60805080

約数和(自身を除く): 32540500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34469, 68938, 137876, 172345, 344690, 689380, 1413229, 2826458, 5652916, 7066145, 14132290, 28264580]

約数ペア:

[(1, 28264580), (2, 14132290), (4, 7066145), (5, 5652916), (10, 2826458), (20, 1413229), (41, 689380), (82, 344690), (164, 172345), (205, 137876), (410, 68938), (820, 34469)]