25453940

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1949}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 53562600

約数和(自身を除く): 28108660

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1949, 2612, 3265, 3898, 6530, 7796, 9745, 13060, 19490, 38980, 1272697, 2545394, 5090788, 6363485, 12726970, 25453940]

約数ペア:

[(1, 25453940), (2, 12726970), (4, 6363485), (5, 5090788), (10, 2545394), (20, 1272697), (653, 38980), (1306, 19490), (1949, 13060), (2612, 9745), (3265, 7796), (3898, 6530)]