9020000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 120

約数和(自身を含む): 24798312

約数和(自身を除く): 15778312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 125, 160, 164, 176, 200, 205, 220, 250, 275, 328, 352, 400, 410, 440, 451, 500, 550, 625, 656, 800, 820, 880, 902, 1000, 1025, 1100, 1250, 1312, 1375, 1640, 1760, 1804, 2000, 2050, 2200, 2255, 2500, 2750, 3280, 3608, 4000, 4100, 4400, 4510, 5000, 5125, 5500, 6560, 6875, 7216, 8200, 8800, 9020, 10000, 10250, 11000, 11275, 13750, 14432, 16400, 18040, 20000, 20500, 22000, 22550, 25625, 27500, 32800, 36080, 41000, 44000, 45100, 51250, 55000, 56375, 72160, 82000, 90200, 102500, 110000, 112750, 164000, 180400, 205000, 220000, 225500, 281875, 360800, 410000, 451000, 563750, 820000, 902000, 1127500, 1804000, 2255000, 4510000, 9020000]

約数ペア:

[(1, 9020000), (2, 4510000), (4, 2255000), (5, 1804000), (8, 1127500), (10, 902000), (11, 820000), (16, 563750), (20, 451000), (22, 410000), (25, 360800), (32, 281875), (40, 225500), (41, 220000), (44, 205000), (50, 180400), (55, 164000), (80, 112750), (82, 110000), (88, 102500), (100, 90200), (110, 82000), (125, 72160), (160, 56375), (164, 55000), (176, 51250), (200, 45100), (205, 44000), (220, 41000), (250, 36080), (275, 32800), (328, 27500), (352, 25625), (400, 22550), (410, 22000), (440, 20500), (451, 20000), (500, 18040), (550, 16400), (625, 14432), (656, 13750), (800, 11275), (820, 11000), (880, 10250), (902, 10000), (1000, 9020), (1025, 8800), (1100, 8200), (1250, 7216), (1312, 6875), (1375, 6560), (1640, 5500), (1760, 5125), (1804, 5000), (2000, 4510), (2050, 4400), (2200, 4100), (2255, 4000), (2500, 3608), (2750, 3280)]