25006780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11471}}^1$

素因数の和:11589

約数の個数: 24

約数和(自身を含む): 53000640

約数和(自身を除く): 27993860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11471, 22942, 45884, 57355, 114710, 229420, 1250339, 2500678, 5001356, 6251695, 12503390, 25006780]

約数ペア:

[(1, 25006780), (2, 12503390), (4, 6251695), (5, 5001356), (10, 2500678), (20, 1250339), (109, 229420), (218, 114710), (436, 57355), (545, 45884), (1090, 22942), (2180, 11471)]