40700000

素因数分解:

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

素因数の和:83

約数の個数: 144

約数和(自身を含む): 112211568

約数和(自身を除く): 71511568

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, 3125, 3256, 3700, 4000, 4070, 4400, 4625, 5000, 5500, 5920, 6250, 6512, 6875, 7400, 8140, 8800, 9250, 10000, 10175, 11000, 12500, 13024, 13750, 14800, 16280, 18500, 20000, 20350, 22000, 23125, 25000, 27500, 29600, 32560, 34375, 37000, 40700, 44000, 46250, 50000, 50875, 55000, 65120, 68750, 74000, 81400, 92500, 100000, 101750, 110000, 115625, 137500, 148000, 162800, 185000, 203500, 220000, 231250, 254375, 275000, 325600, 370000, 407000, 462500, 508750, 550000, 740000, 814000, 925000, 1017500, 1100000, 1271875, 1628000, 1850000, 2035000, 2543750, 3700000, 4070000, 5087500, 8140000, 10175000, 20350000, 40700000]

約数ペア:

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