202741520

素因数分解:

$2^4\times 5^1\times {\mathrm{2534269}}^1$

素因数の和:2534282

約数の個数: 20

約数和(自身を含む): 471374220

約数和(自身を除く): 268632700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2534269, 5068538, 10137076, 12671345, 20274152, 25342690, 40548304, 50685380, 101370760, 202741520]

約数ペア:

[(1, 202741520), (2, 101370760), (4, 50685380), (5, 40548304), (8, 25342690), (10, 20274152), (16, 12671345), (20, 10137076), (40, 5068538), (80, 2534269)]