65120000

素因数分解:

$2^8\times 5^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 180

約数和(自身を含む): 181985496

約数和(自身を除く): 116865496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 37, 40, 44, 50, 55, 64, 74, 80, 88, 100, 110, 125, 128, 148, 160, 176, 185, 200, 220, 250, 256, 275, 296, 320, 352, 370, 400, 407, 440, 500, 550, 592, 625, 640, 704, 740, 800, 814, 880, 925, 1000, 1100, 1184, 1250, 1280, 1375, 1408, 1480, 1600, 1628, 1760, 1850, 2000, 2035, 2200, 2368, 2500, 2750, 2816, 2960, 3200, 3256, 3520, 3700, 4000, 4070, 4400, 4625, 4736, 5000, 5500, 5920, 6400, 6512, 6875, 7040, 7400, 8000, 8140, 8800, 9250, 9472, 10000, 10175, 11000, 11840, 13024, 13750, 14080, 14800, 16000, 16280, 17600, 18500, 20000, 20350, 22000, 23125, 23680, 26048, 27500, 29600, 32000, 32560, 35200, 37000, 40000, 40700, 44000, 46250, 47360, 50875, 52096, 55000, 59200, 65120, 70400, 74000, 80000, 81400, 88000, 92500, 101750, 104192, 110000, 118400, 130240, 148000, 160000, 162800, 176000, 185000, 203500, 220000, 236800, 254375, 260480, 296000, 325600, 352000, 370000, 407000, 440000, 508750, 520960, 592000, 651200, 740000, 814000, 880000, 1017500, 1184000, 1302400, 1480000, 1628000, 1760000, 2035000, 2604800, 2960000, 3256000, 4070000, 5920000, 6512000, 8140000, 13024000, 16280000, 32560000, 65120000]

約数ペア:

[(1, 65120000), (2, 32560000), (4, 16280000), (5, 13024000), (8, 8140000), (10, 6512000), (11, 5920000), (16, 4070000), (20, 3256000), (22, 2960000), (25, 2604800), (32, 2035000), (37, 1760000), (40, 1628000), (44, 1480000), (50, 1302400), (55, 1184000), (64, 1017500), (74, 880000), (80, 814000), (88, 740000), (100, 651200), (110, 592000), (125, 520960), (128, 508750), (148, 440000), (160, 407000), (176, 370000), (185, 352000), (200, 325600), (220, 296000), (250, 260480), (256, 254375), (275, 236800), (296, 220000), (320, 203500), (352, 185000), (370, 176000), (400, 162800), (407, 160000), (440, 148000), (500, 130240), (550, 118400), (592, 110000), (625, 104192), (640, 101750), (704, 92500), (740, 88000), (800, 81400), (814, 80000), (880, 74000), (925, 70400), (1000, 65120), (1100, 59200), (1184, 55000), (1250, 52096), (1280, 50875), (1375, 47360), (1408, 46250), (1480, 44000), (1600, 40700), (1628, 40000), (1760, 37000), (1850, 35200), (2000, 32560), (2035, 32000), (2200, 29600), (2368, 27500), (2500, 26048), (2750, 23680), (2816, 23125), (2960, 22000), (3200, 20350), (3256, 20000), (3520, 18500), (3700, 17600), (4000, 16280), (4070, 16000), (4400, 14800), (4625, 14080), (4736, 13750), (5000, 13024), (5500, 11840), (5920, 11000), (6400, 10175), (6512, 10000), (6875, 9472), (7040, 9250), (7400, 8800), (8000, 8140)]