169141520

素因数分解:

$2^4\times 5^1\times {\mathrm{2114269}}^1$

素因数の和:2114282

約数の個数: 20

約数和(自身を含む): 393254220

約数和(自身を除く): 224112700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2114269, 4228538, 8457076, 10571345, 16914152, 21142690, 33828304, 42285380, 84570760, 169141520]

約数ペア:

[(1, 169141520), (2, 84570760), (4, 42285380), (5, 33828304), (8, 21142690), (10, 16914152), (16, 10571345), (20, 8457076), (40, 4228538), (80, 2114269)]