16826440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7937}}^1$

素因数の和:8001

約数の個数: 32

約数和(自身を含む): 38578680

約数和(自身を除く): 21752240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7937, 15874, 31748, 39685, 63496, 79370, 158740, 317480, 420661, 841322, 1682644, 2103305, 3365288, 4206610, 8413220, 16826440]

約数ペア:

[(1, 16826440), (2, 8413220), (4, 4206610), (5, 3365288), (8, 2103305), (10, 1682644), (20, 841322), (40, 420661), (53, 317480), (106, 158740), (212, 79370), (265, 63496), (424, 39685), (530, 31748), (1060, 15874), (2120, 7937)]