12768140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8291}}^1$

素因数の和:8318

約数の個数: 48

約数和(自身を含む): 33433344

約数和(自身を除く): 20665204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8291, 16582, 33164, 41455, 58037, 82910, 91201, 116074, 165820, 182402, 232148, 290185, 364804, 456005, 580370, 638407, 912010, 1160740, 1276814, 1824020, 2553628, 3192035, 6384070, 12768140]

約数ペア:

[(1, 12768140), (2, 6384070), (4, 3192035), (5, 2553628), (7, 1824020), (10, 1276814), (11, 1160740), (14, 912010), (20, 638407), (22, 580370), (28, 456005), (35, 364804), (44, 290185), (55, 232148), (70, 182402), (77, 165820), (110, 116074), (140, 91201), (154, 82910), (220, 58037), (308, 41455), (385, 33164), (770, 16582), (1540, 8291)]