80985380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{578467}}^1$

素因数の和:578483

約数の個数: 24

約数和(自身を含む): 194365248

約数和(自身を除く): 113379868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 578467, 1156934, 2313868, 2892335, 4049269, 5784670, 8098538, 11569340, 16197076, 20246345, 40492690, 80985380]

約数ペア:

[(1, 80985380), (2, 40492690), (4, 20246345), (5, 16197076), (7, 11569340), (10, 8098538), (14, 5784670), (20, 4049269), (28, 2892335), (35, 2313868), (70, 1156934), (140, 578467)]