7272880

素因数分解:

$2^4\times 5^1\times {\mathrm{90911}}^1$

素因数の和:90924

約数の個数: 20

約数和(自身を含む): 16909632

約数和(自身を除く): 9636752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 90911, 181822, 363644, 454555, 727288, 909110, 1454576, 1818220, 3636440, 7272880]

約数ペア:

[(1, 7272880), (2, 3636440), (4, 1818220), (5, 1454576), (8, 909110), (10, 727288), (16, 454555), (20, 363644), (40, 181822), (80, 90911)]