11257660

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1447}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 23718240

約数和(自身を除く): 12460580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1447, 1556, 1945, 2894, 3890, 5788, 7235, 7780, 14470, 28940, 562883, 1125766, 2251532, 2814415, 5628830, 11257660]

約数ペア:

[(1, 11257660), (2, 5628830), (4, 2814415), (5, 2251532), (10, 1125766), (20, 562883), (389, 28940), (778, 14470), (1447, 7780), (1556, 7235), (1945, 5788), (2894, 3890)]