12749440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1811}}^1$

素因数の和:1841

約数の個数: 64

約数和(自身を含む): 33268320

約数和(自身を除く): 20518880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 1811, 3520, 3622, 7040, 7244, 9055, 14488, 18110, 19921, 28976, 36220, 39842, 57952, 72440, 79684, 99605, 115904, 144880, 159368, 199210, 231808, 289760, 318736, 398420, 579520, 637472, 796840, 1159040, 1274944, 1593680, 2549888, 3187360, 6374720, 12749440]

約数ペア:

[(1, 12749440), (2, 6374720), (4, 3187360), (5, 2549888), (8, 1593680), (10, 1274944), (11, 1159040), (16, 796840), (20, 637472), (22, 579520), (32, 398420), (40, 318736), (44, 289760), (55, 231808), (64, 199210), (80, 159368), (88, 144880), (110, 115904), (128, 99605), (160, 79684), (176, 72440), (220, 57952), (320, 39842), (352, 36220), (440, 28976), (640, 19921), (704, 18110), (880, 14488), (1408, 9055), (1760, 7244), (1811, 7040), (3520, 3622)]