162181520

素因数分解:

$2^4\times 5^1\times {\mathrm{2027269}}^1$

素因数の和:2027282

約数の個数: 20

約数和(自身を含む): 377072220

約数和(自身を除く): 214890700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2027269, 4054538, 8109076, 10136345, 16218152, 20272690, 32436304, 40545380, 81090760, 162181520]

約数ペア:

[(1, 162181520), (2, 81090760), (4, 40545380), (5, 32436304), (8, 20272690), (10, 16218152), (16, 10136345), (20, 8109076), (40, 4054538), (80, 2027269)]