13205120

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 32313600

約数和(自身を除く): 19108480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 439, 470, 640, 752, 878, 940, 1504, 1756, 1880, 2195, 3008, 3512, 3760, 4390, 6016, 7024, 7520, 8780, 14048, 15040, 17560, 20633, 28096, 30080, 35120, 41266, 56192, 70240, 82532, 103165, 140480, 165064, 206330, 280960, 330128, 412660, 660256, 825320, 1320512, 1650640, 2641024, 3301280, 6602560, 13205120]

約数ペア:

[(1, 13205120), (2, 6602560), (4, 3301280), (5, 2641024), (8, 1650640), (10, 1320512), (16, 825320), (20, 660256), (32, 412660), (40, 330128), (47, 280960), (64, 206330), (80, 165064), (94, 140480), (128, 103165), (160, 82532), (188, 70240), (235, 56192), (320, 41266), (376, 35120), (439, 30080), (470, 28096), (640, 20633), (752, 17560), (878, 15040), (940, 14048), (1504, 8780), (1756, 7520), (1880, 7024), (2195, 6016), (3008, 4390), (3512, 3760)]