26380000

素因数分解:

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

素因数の和:1349

約数の個数: 60

約数和(自身を含む): 64947960

約数和(自身を除く): 38567960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 1319, 2000, 2500, 2638, 4000, 5000, 5276, 6595, 10000, 10552, 13190, 20000, 21104, 26380, 32975, 42208, 52760, 65950, 105520, 131900, 164875, 211040, 263800, 329750, 527600, 659500, 824375, 1055200, 1319000, 1648750, 2638000, 3297500, 5276000, 6595000, 13190000, 26380000]

約数ペア:

[(1, 26380000), (2, 13190000), (4, 6595000), (5, 5276000), (8, 3297500), (10, 2638000), (16, 1648750), (20, 1319000), (25, 1055200), (32, 824375), (40, 659500), (50, 527600), (80, 329750), (100, 263800), (125, 211040), (160, 164875), (200, 131900), (250, 105520), (400, 65950), (500, 52760), (625, 42208), (800, 32975), (1000, 26380), (1250, 21104), (1319, 20000), (2000, 13190), (2500, 10552), (2638, 10000), (4000, 6595), (5000, 5276)]