12855000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{857}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 40205880

約数和(自身を除く): 27350880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 857, 1000, 1250, 1500, 1714, 1875, 2500, 2571, 3000, 3428, 3750, 4285, 5000, 5142, 6856, 7500, 8570, 10284, 12855, 15000, 17140, 20568, 21425, 25710, 34280, 42850, 51420, 64275, 85700, 102840, 107125, 128550, 171400, 214250, 257100, 321375, 428500, 514200, 535625, 642750, 857000, 1071250, 1285500, 1606875, 2142500, 2571000, 3213750, 4285000, 6427500, 12855000]

約数ペア:

[(1, 12855000), (2, 6427500), (3, 4285000), (4, 3213750), (5, 2571000), (6, 2142500), (8, 1606875), (10, 1285500), (12, 1071250), (15, 857000), (20, 642750), (24, 535625), (25, 514200), (30, 428500), (40, 321375), (50, 257100), (60, 214250), (75, 171400), (100, 128550), (120, 107125), (125, 102840), (150, 85700), (200, 64275), (250, 51420), (300, 42850), (375, 34280), (500, 25710), (600, 21425), (625, 20568), (750, 17140), (857, 15000), (1000, 12855), (1250, 10284), (1500, 8570), (1714, 7500), (1875, 6856), (2500, 5142), (2571, 5000), (3000, 4285), (3428, 3750)]