25845740

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1979}}^1$

素因数の和:2641

約数の個数: 24

約数和(自身を含む): 54386640

約数和(自身を除く): 28540900

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1979, 2612, 3265, 3958, 6530, 7916, 9895, 13060, 19790, 39580, 1292287, 2584574, 5169148, 6461435, 12922870, 25845740]

約数ペア:

[(1, 25845740), (2, 12922870), (4, 6461435), (5, 5169148), (10, 2584574), (20, 1292287), (653, 39580), (1306, 19790), (1979, 13060), (2612, 9895), (3265, 7916), (3958, 6530)]