25800000

素因数分解:

$2^6\times 3^1\times 5^5\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 168

約数和(自身を含む): 87306912

約数和(自身を除く): 61506912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 64, 75, 80, 86, 96, 100, 120, 125, 129, 150, 160, 172, 192, 200, 215, 240, 250, 258, 300, 320, 344, 375, 400, 430, 480, 500, 516, 600, 625, 645, 688, 750, 800, 860, 960, 1000, 1032, 1075, 1200, 1250, 1290, 1376, 1500, 1600, 1720, 1875, 2000, 2064, 2150, 2400, 2500, 2580, 2752, 3000, 3125, 3225, 3440, 3750, 4000, 4128, 4300, 4800, 5000, 5160, 5375, 6000, 6250, 6450, 6880, 7500, 8000, 8256, 8600, 9375, 10000, 10320, 10750, 12000, 12500, 12900, 13760, 15000, 16125, 17200, 18750, 20000, 20640, 21500, 24000, 25000, 25800, 26875, 30000, 32250, 34400, 37500, 40000, 41280, 43000, 50000, 51600, 53750, 60000, 64500, 68800, 75000, 80625, 86000, 100000, 103200, 107500, 120000, 129000, 134375, 150000, 161250, 172000, 200000, 206400, 215000, 258000, 268750, 300000, 322500, 344000, 403125, 430000, 516000, 537500, 600000, 645000, 806250, 860000, 1032000, 1075000, 1290000, 1612500, 1720000, 2150000, 2580000, 3225000, 4300000, 5160000, 6450000, 8600000, 12900000, 25800000]

約数ペア:

[(1, 25800000), (2, 12900000), (3, 8600000), (4, 6450000), (5, 5160000), (6, 4300000), (8, 3225000), (10, 2580000), (12, 2150000), (15, 1720000), (16, 1612500), (20, 1290000), (24, 1075000), (25, 1032000), (30, 860000), (32, 806250), (40, 645000), (43, 600000), (48, 537500), (50, 516000), (60, 430000), (64, 403125), (75, 344000), (80, 322500), (86, 300000), (96, 268750), (100, 258000), (120, 215000), (125, 206400), (129, 200000), (150, 172000), (160, 161250), (172, 150000), (192, 134375), (200, 129000), (215, 120000), (240, 107500), (250, 103200), (258, 100000), (300, 86000), (320, 80625), (344, 75000), (375, 68800), (400, 64500), (430, 60000), (480, 53750), (500, 51600), (516, 50000), (600, 43000), (625, 41280), (645, 40000), (688, 37500), (750, 34400), (800, 32250), (860, 30000), (960, 26875), (1000, 25800), (1032, 25000), (1075, 24000), (1200, 21500), (1250, 20640), (1290, 20000), (1376, 18750), (1500, 17200), (1600, 16125), (1720, 15000), (1875, 13760), (2000, 12900), (2064, 12500), (2150, 12000), (2400, 10750), (2500, 10320), (2580, 10000), (2752, 9375), (3000, 8600), (3125, 8256), (3225, 8000), (3440, 7500), (3750, 6880), (4000, 6450), (4128, 6250), (4300, 6000), (4800, 5375), (5000, 5160)]