65340880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1876

約数の個数: 80

約数和(自身を含む): 169864128

約数和(自身を除く): 104523248

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, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 1811, 2255, 3280, 3608, 3622, 4510, 7216, 7244, 9020, 9055, 14488, 18040, 18110, 19921, 28976, 36080, 36220, 39842, 72440, 74251, 79684, 99605, 144880, 148502, 159368, 199210, 297004, 318736, 371255, 398420, 594008, 742510, 796840, 816761, 1188016, 1485020, 1593680, 1633522, 2970040, 3267044, 4083805, 5940080, 6534088, 8167610, 13068176, 16335220, 32670440, 65340880]

約数ペア:

[(1, 65340880), (2, 32670440), (4, 16335220), (5, 13068176), (8, 8167610), (10, 6534088), (11, 5940080), (16, 4083805), (20, 3267044), (22, 2970040), (40, 1633522), (41, 1593680), (44, 1485020), (55, 1188016), (80, 816761), (82, 796840), (88, 742510), (110, 594008), (164, 398420), (176, 371255), (205, 318736), (220, 297004), (328, 199210), (410, 159368), (440, 148502), (451, 144880), (656, 99605), (820, 79684), (880, 74251), (902, 72440), (1640, 39842), (1804, 36220), (1811, 36080), (2255, 28976), (3280, 19921), (3608, 18110), (3622, 18040), (4510, 14488), (7216, 9055), (7244, 9020)]