1325553680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{8707}}^1$

素因数の和:8904

約数の個数: 80

約数和(自身を含む): 3381908544

約数和(自身を除く): 2056354864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 692, 865, 880, 1384, 1730, 1903, 2768, 3460, 3806, 6920, 7612, 8707, 9515, 13840, 15224, 17414, 19030, 30448, 34828, 38060, 43535, 69656, 76120, 87070, 95777, 139312, 152240, 174140, 191554, 348280, 383108, 478885, 696560, 766216, 957770, 1506311, 1532432, 1915540, 3012622, 3831080, 6025244, 7531555, 7662160, 12050488, 15063110, 16569421, 24100976, 30126220, 33138842, 60252440, 66277684, 82847105, 120504880, 132555368, 165694210, 265110736, 331388420, 662776840, 1325553680]

約数ペア:

[(1, 1325553680), (2, 662776840), (4, 331388420), (5, 265110736), (8, 165694210), (10, 132555368), (11, 120504880), (16, 82847105), (20, 66277684), (22, 60252440), (40, 33138842), (44, 30126220), (55, 24100976), (80, 16569421), (88, 15063110), (110, 12050488), (173, 7662160), (176, 7531555), (220, 6025244), (346, 3831080), (440, 3012622), (692, 1915540), (865, 1532432), (880, 1506311), (1384, 957770), (1730, 766216), (1903, 696560), (2768, 478885), (3460, 383108), (3806, 348280), (6920, 191554), (7612, 174140), (8707, 152240), (9515, 139312), (13840, 95777), (15224, 87070), (17414, 76120), (19030, 69656), (30448, 43535), (34828, 38060)]