26879980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3851}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 56624400

約数和(自身を除く): 29744420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 3851, 6980, 7702, 15404, 19255, 38510, 77020, 1343999, 2687998, 5375996, 6719995, 13439990, 26879980]

約数ペア:

[(1, 26879980), (2, 13439990), (4, 6719995), (5, 5375996), (10, 2687998), (20, 1343999), (349, 77020), (698, 38510), (1396, 19255), (1745, 15404), (3490, 7702), (3851, 6980)]