25855880

素因数分解:

$2^3\times 5^1\times {\mathrm{646397}}^1$

素因数の和:646408

約数の個数: 16

約数和(自身を含む): 58175820

約数和(自身を除く): 32319940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 646397, 1292794, 2585588, 3231985, 5171176, 6463970, 12927940, 25855880]

約数ペア:

[(1, 25855880), (2, 12927940), (4, 6463970), (5, 5171176), (8, 3231985), (10, 2585588), (20, 1292794), (40, 646397)]