12879020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8363}}^1$

素因数の和:8390

約数の個数: 48

約数和(自身を含む): 33723648

約数和(自身を除く): 20844628

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, 8363, 16726, 33452, 41815, 58541, 83630, 91993, 117082, 167260, 183986, 234164, 292705, 367972, 459965, 585410, 643951, 919930, 1170820, 1287902, 1839860, 2575804, 3219755, 6439510, 12879020]

約数ペア:

[(1, 12879020), (2, 6439510), (4, 3219755), (5, 2575804), (7, 1839860), (10, 1287902), (11, 1170820), (14, 919930), (20, 643951), (22, 585410), (28, 459965), (35, 367972), (44, 292705), (55, 234164), (70, 183986), (77, 167260), (110, 117082), (140, 91993), (154, 83630), (220, 58541), (308, 41815), (385, 33452), (770, 16726), (1540, 8363)]