2018004880

素因数分解:

$2^4\times 5^1\times {\mathrm{25225061}}^1$

素因数の和:25225074

約数の個数: 20

約数和(自身を含む): 4691861532

約数和(自身を除く): 2673856652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25225061, 50450122, 100900244, 126125305, 201800488, 252250610, 403600976, 504501220, 1009002440, 2018004880]

約数ペア:

[(1, 2018004880), (2, 1009002440), (4, 504501220), (5, 403600976), (8, 252250610), (10, 201800488), (16, 126125305), (20, 100900244), (40, 50450122), (80, 25225061)]