27745880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7151}}^1$

素因数の和:7259

約数の個数: 32

約数和(自身を含む): 63080640

約数和(自身を除く): 35334760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 7151, 14302, 28604, 35755, 57208, 71510, 143020, 286040, 693647, 1387294, 2774588, 3468235, 5549176, 6936470, 13872940, 27745880]

約数ペア:

[(1, 27745880), (2, 13872940), (4, 6936470), (5, 5549176), (8, 3468235), (10, 2774588), (20, 1387294), (40, 693647), (97, 286040), (194, 143020), (388, 71510), (485, 57208), (776, 35755), (970, 28604), (1940, 14302), (3880, 7151)]