263800

素因数分解:

$2^3\times 5^2\times {\mathrm{1319}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 613800

約数和(自身を除く): 350000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1319, 2638, 5276, 6595, 10552, 13190, 26380, 32975, 52760, 65950, 131900, 263800]

約数ペア:

[(1, 263800), (2, 131900), (4, 65950), (5, 52760), (8, 32975), (10, 26380), (20, 13190), (25, 10552), (40, 6595), (50, 5276), (100, 2638), (200, 1319)]