25954220

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1249}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 54600000

約数和(自身を除く): 28645780

約数列:

[1, 2, 4, 5, 10, 20, 1039, 1249, 2078, 2498, 4156, 4996, 5195, 6245, 10390, 12490, 20780, 24980, 1297711, 2595422, 5190844, 6488555, 12977110, 25954220]

約数ペア:

[(1, 25954220), (2, 12977110), (4, 6488555), (5, 5190844), (10, 2595422), (20, 1297711), (1039, 24980), (1249, 20780), (2078, 12490), (2498, 10390), (4156, 6245), (4996, 5195)]