7831212880

素因数分解:

$2^4\times 5^1\times {\mathrm{97890161}}^1$

素因数の和:97890174

約数の個数: 20

約数和(自身を含む): 18207570132

約数和(自身を除く): 10376357252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97890161, 195780322, 391560644, 489450805, 783121288, 978901610, 1566242576, 1957803220, 3915606440, 7831212880]

約数ペア:

[(1, 7831212880), (2, 3915606440), (4, 1957803220), (5, 1566242576), (8, 978901610), (10, 783121288), (16, 489450805), (20, 391560644), (40, 195780322), (80, 97890161)]