11220880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 29248128

約数和(自身を除く): 18027248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 311, 328, 410, 440, 451, 622, 656, 820, 880, 902, 1244, 1555, 1640, 1804, 2255, 2488, 3110, 3280, 3421, 3608, 4510, 4976, 6220, 6842, 7216, 9020, 12440, 12751, 13684, 17105, 18040, 24880, 25502, 27368, 34210, 36080, 51004, 54736, 63755, 68420, 102008, 127510, 136840, 140261, 204016, 255020, 273680, 280522, 510040, 561044, 701305, 1020080, 1122088, 1402610, 2244176, 2805220, 5610440, 11220880]

約数ペア:

[(1, 11220880), (2, 5610440), (4, 2805220), (5, 2244176), (8, 1402610), (10, 1122088), (11, 1020080), (16, 701305), (20, 561044), (22, 510040), (40, 280522), (41, 273680), (44, 255020), (55, 204016), (80, 140261), (82, 136840), (88, 127510), (110, 102008), (164, 68420), (176, 63755), (205, 54736), (220, 51004), (311, 36080), (328, 34210), (410, 27368), (440, 25502), (451, 24880), (622, 18040), (656, 17105), (820, 13684), (880, 12751), (902, 12440), (1244, 9020), (1555, 7216), (1640, 6842), (1804, 6220), (2255, 4976), (2488, 4510), (3110, 3608), (3280, 3421)]