2347820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 4989600

約数和(自身を除く): 2641780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1319, 1780, 2638, 5276, 6595, 13190, 26380, 117391, 234782, 469564, 586955, 1173910, 2347820]

約数ペア:

[(1, 2347820), (2, 1173910), (4, 586955), (5, 469564), (10, 234782), (20, 117391), (89, 26380), (178, 13190), (356, 6595), (445, 5276), (890, 2638), (1319, 1780)]