22550000

素因数分解:

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

素因数の和:85

約数の個数: 120

約数和(自身を含む): 61027344

約数和(自身を除く): 38477344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 125, 164, 176, 200, 205, 220, 250, 275, 328, 400, 410, 440, 451, 500, 550, 625, 656, 820, 880, 902, 1000, 1025, 1100, 1250, 1375, 1640, 1804, 2000, 2050, 2200, 2255, 2500, 2750, 3125, 3280, 3608, 4100, 4400, 4510, 5000, 5125, 5500, 6250, 6875, 7216, 8200, 9020, 10000, 10250, 11000, 11275, 12500, 13750, 16400, 18040, 20500, 22000, 22550, 25000, 25625, 27500, 34375, 36080, 41000, 45100, 50000, 51250, 55000, 56375, 68750, 82000, 90200, 102500, 110000, 112750, 128125, 137500, 180400, 205000, 225500, 256250, 275000, 281875, 410000, 451000, 512500, 550000, 563750, 902000, 1025000, 1127500, 1409375, 2050000, 2255000, 2818750, 4510000, 5637500, 11275000, 22550000]

約数ペア:

[(1, 22550000), (2, 11275000), (4, 5637500), (5, 4510000), (8, 2818750), (10, 2255000), (11, 2050000), (16, 1409375), (20, 1127500), (22, 1025000), (25, 902000), (40, 563750), (41, 550000), (44, 512500), (50, 451000), (55, 410000), (80, 281875), (82, 275000), (88, 256250), (100, 225500), (110, 205000), (125, 180400), (164, 137500), (176, 128125), (200, 112750), (205, 110000), (220, 102500), (250, 90200), (275, 82000), (328, 68750), (400, 56375), (410, 55000), (440, 51250), (451, 50000), (500, 45100), (550, 41000), (625, 36080), (656, 34375), (820, 27500), (880, 25625), (902, 25000), (1000, 22550), (1025, 22000), (1100, 20500), (1250, 18040), (1375, 16400), (1640, 13750), (1804, 12500), (2000, 11275), (2050, 11000), (2200, 10250), (2255, 10000), (2500, 9020), (2750, 8200), (3125, 7216), (3280, 6875), (3608, 6250), (4100, 5500), (4400, 5125), (4510, 5000)]