2638000

素因数分解:

$2^4\times 5^3\times {\mathrm{1319}}^1$

素因数の和:1342

約数の個数: 40

約数和(自身を含む): 6383520

約数和(自身を除く): 3745520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1319, 2000, 2638, 5276, 6595, 10552, 13190, 21104, 26380, 32975, 52760, 65950, 105520, 131900, 164875, 263800, 329750, 527600, 659500, 1319000, 2638000]

約数ペア:

[(1, 2638000), (2, 1319000), (4, 659500), (5, 527600), (8, 329750), (10, 263800), (16, 164875), (20, 131900), (25, 105520), (40, 65950), (50, 52760), (80, 32975), (100, 26380), (125, 21104), (200, 13190), (250, 10552), (400, 6595), (500, 5276), (1000, 2638), (1319, 2000)]