8140000

素因数分解:

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

素因数の和:78

約数の個数: 120

約数和(自身を含む): 22436568

約数和(自身を除く): 14296568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 37, 40, 44, 50, 55, 74, 80, 88, 100, 110, 125, 148, 160, 176, 185, 200, 220, 250, 275, 296, 352, 370, 400, 407, 440, 500, 550, 592, 625, 740, 800, 814, 880, 925, 1000, 1100, 1184, 1250, 1375, 1480, 1628, 1760, 1850, 2000, 2035, 2200, 2500, 2750, 2960, 3256, 3700, 4000, 4070, 4400, 4625, 5000, 5500, 5920, 6512, 6875, 7400, 8140, 8800, 9250, 10000, 10175, 11000, 13024, 13750, 14800, 16280, 18500, 20000, 20350, 22000, 23125, 27500, 29600, 32560, 37000, 40700, 44000, 46250, 50875, 55000, 65120, 74000, 81400, 92500, 101750, 110000, 148000, 162800, 185000, 203500, 220000, 254375, 325600, 370000, 407000, 508750, 740000, 814000, 1017500, 1628000, 2035000, 4070000, 8140000]

約数ペア:

[(1, 8140000), (2, 4070000), (4, 2035000), (5, 1628000), (8, 1017500), (10, 814000), (11, 740000), (16, 508750), (20, 407000), (22, 370000), (25, 325600), (32, 254375), (37, 220000), (40, 203500), (44, 185000), (50, 162800), (55, 148000), (74, 110000), (80, 101750), (88, 92500), (100, 81400), (110, 74000), (125, 65120), (148, 55000), (160, 50875), (176, 46250), (185, 44000), (200, 40700), (220, 37000), (250, 32560), (275, 29600), (296, 27500), (352, 23125), (370, 22000), (400, 20350), (407, 20000), (440, 18500), (500, 16280), (550, 14800), (592, 13750), (625, 13024), (740, 11000), (800, 10175), (814, 10000), (880, 9250), (925, 8800), (1000, 8140), (1100, 7400), (1184, 6875), (1250, 6512), (1375, 5920), (1480, 5500), (1628, 5000), (1760, 4625), (1850, 4400), (2000, 4070), (2035, 4000), (2200, 3700), (2500, 3256), (2750, 2960)]