28200220

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1319}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 59320800

約数和(自身を除く): 31120580

約数列:

[1, 2, 4, 5, 10, 20, 1069, 1319, 2138, 2638, 4276, 5276, 5345, 6595, 10690, 13190, 21380, 26380, 1410011, 2820022, 5640044, 7050055, 14100110, 28200220]

約数ペア:

[(1, 28200220), (2, 14100110), (4, 7050055), (5, 5640044), (10, 2820022), (20, 1410011), (1069, 26380), (1319, 21380), (2138, 13190), (2638, 10690), (4276, 6595), (5276, 5345)]