81400000

素因数分解:

$2^6\times 5^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 168

約数和(自身を含む): 226204272

約数和(自身を除く): 144804272

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, 148, 160, 176, 185, 200, 220, 250, 275, 296, 320, 352, 370, 400, 407, 440, 500, 550, 592, 625, 704, 740, 800, 814, 880, 925, 1000, 1100, 1184, 1250, 1375, 1480, 1600, 1628, 1760, 1850, 2000, 2035, 2200, 2368, 2500, 2750, 2960, 3125, 3256, 3520, 3700, 4000, 4070, 4400, 4625, 5000, 5500, 5920, 6250, 6512, 6875, 7400, 8000, 8140, 8800, 9250, 10000, 10175, 11000, 11840, 12500, 13024, 13750, 14800, 16280, 17600, 18500, 20000, 20350, 22000, 23125, 25000, 26048, 27500, 29600, 32560, 34375, 37000, 40000, 40700, 44000, 46250, 50000, 50875, 55000, 59200, 65120, 68750, 74000, 81400, 88000, 92500, 100000, 101750, 110000, 115625, 130240, 137500, 148000, 162800, 185000, 200000, 203500, 220000, 231250, 254375, 275000, 296000, 325600, 370000, 407000, 440000, 462500, 508750, 550000, 651200, 740000, 814000, 925000, 1017500, 1100000, 1271875, 1480000, 1628000, 1850000, 2035000, 2200000, 2543750, 3256000, 3700000, 4070000, 5087500, 7400000, 8140000, 10175000, 16280000, 20350000, 40700000, 81400000]

約数ペア:

[(1, 81400000), (2, 40700000), (4, 20350000), (5, 16280000), (8, 10175000), (10, 8140000), (11, 7400000), (16, 5087500), (20, 4070000), (22, 3700000), (25, 3256000), (32, 2543750), (37, 2200000), (40, 2035000), (44, 1850000), (50, 1628000), (55, 1480000), (64, 1271875), (74, 1100000), (80, 1017500), (88, 925000), (100, 814000), (110, 740000), (125, 651200), (148, 550000), (160, 508750), (176, 462500), (185, 440000), (200, 407000), (220, 370000), (250, 325600), (275, 296000), (296, 275000), (320, 254375), (352, 231250), (370, 220000), (400, 203500), (407, 200000), (440, 185000), (500, 162800), (550, 148000), (592, 137500), (625, 130240), (704, 115625), (740, 110000), (800, 101750), (814, 100000), (880, 92500), (925, 88000), (1000, 81400), (1100, 74000), (1184, 68750), (1250, 65120), (1375, 59200), (1480, 55000), (1600, 50875), (1628, 50000), (1760, 46250), (1850, 44000), (2000, 40700), (2035, 40000), (2200, 37000), (2368, 34375), (2500, 32560), (2750, 29600), (2960, 27500), (3125, 26048), (3256, 25000), (3520, 23125), (3700, 22000), (4000, 20350), (4070, 20000), (4400, 18500), (4625, 17600), (5000, 16280), (5500, 14800), (5920, 13750), (6250, 13024), (6512, 12500), (6875, 11840), (7400, 11000), (8000, 10175), (8140, 10000), (8800, 9250)]