27938800

素因数分解:

$2^4\times 5^2\times {\mathrm{69847}}^1$

素因数の和:69865

約数の個数: 30

約数和(自身を含む): 67123928

約数和(自身を除く): 39185128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 69847, 139694, 279388, 349235, 558776, 698470, 1117552, 1396940, 1746175, 2793880, 3492350, 5587760, 6984700, 13969400, 27938800]

約数ペア:

[(1, 27938800), (2, 13969400), (4, 6984700), (5, 5587760), (8, 3492350), (10, 2793880), (16, 1746175), (20, 1396940), (25, 1117552), (40, 698470), (50, 558776), (80, 349235), (100, 279388), (200, 139694), (400, 69847)]