28671260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14779}}^1$

素因数の和:14885

約数の個数: 24

約数和(自身を含む): 60834480

約数和(自身を除く): 32163220

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14779, 29558, 59116, 73895, 147790, 295580, 1433563, 2867126, 5734252, 7167815, 14335630, 28671260]

約数ペア:

[(1, 28671260), (2, 14335630), (4, 7167815), (5, 5734252), (10, 2867126), (20, 1433563), (97, 295580), (194, 147790), (388, 73895), (485, 59116), (970, 29558), (1940, 14779)]