12519980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56909}}^1$

素因数の和:56929

約数の個数: 24

約数和(自身を含む): 28682640

約数和(自身を除く): 16162660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 56909, 113818, 227636, 284545, 569090, 625999, 1138180, 1251998, 2503996, 3129995, 6259990, 12519980]

約数ペア:

[(1, 12519980), (2, 6259990), (4, 3129995), (5, 2503996), (10, 1251998), (11, 1138180), (20, 625999), (22, 569090), (44, 284545), (55, 227636), (110, 113818), (220, 56909)]