15505480

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{883}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 35006400

約数和(自身を除く): 19500920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 883, 1756, 1766, 2195, 3512, 3532, 4390, 4415, 7064, 8780, 8830, 17560, 17660, 35320, 387637, 775274, 1550548, 1938185, 3101096, 3876370, 7752740, 15505480]

約数ペア:

[(1, 15505480), (2, 7752740), (4, 3876370), (5, 3101096), (8, 1938185), (10, 1550548), (20, 775274), (40, 387637), (439, 35320), (878, 17660), (883, 17560), (1756, 8830), (1766, 8780), (2195, 7064), (3512, 4415), (3532, 4390)]