13461520

素因数分解:

$2^4\times 5^1\times {\mathrm{168269}}^1$

素因数の和:168282

約数の個数: 20

約数和(自身を含む): 31298220

約数和(自身を除く): 17836700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 168269, 336538, 673076, 841345, 1346152, 1682690, 2692304, 3365380, 6730760, 13461520]

約数ペア:

[(1, 13461520), (2, 6730760), (4, 3365380), (5, 2692304), (8, 1682690), (10, 1346152), (16, 841345), (20, 673076), (40, 336538), (80, 168269)]