65950000

素因数分解:

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

素因数の和:1352

約数の個数: 60

約数和(自身を含む): 159833520

約数和(自身を除く): 93883520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1319, 2000, 2500, 2638, 3125, 5000, 5276, 6250, 6595, 10000, 10552, 12500, 13190, 21104, 25000, 26380, 32975, 50000, 52760, 65950, 105520, 131900, 164875, 263800, 329750, 527600, 659500, 824375, 1319000, 1648750, 2638000, 3297500, 4121875, 6595000, 8243750, 13190000, 16487500, 32975000, 65950000]

約数ペア:

[(1, 65950000), (2, 32975000), (4, 16487500), (5, 13190000), (8, 8243750), (10, 6595000), (16, 4121875), (20, 3297500), (25, 2638000), (40, 1648750), (50, 1319000), (80, 824375), (100, 659500), (125, 527600), (200, 329750), (250, 263800), (400, 164875), (500, 131900), (625, 105520), (1000, 65950), (1250, 52760), (1319, 50000), (2000, 32975), (2500, 26380), (2638, 25000), (3125, 21104), (5000, 13190), (5276, 12500), (6250, 10552), (6595, 10000)]