18824320

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 45777600

約数和(自身を除く): 26953280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 439, 536, 640, 670, 878, 1072, 1340, 1756, 2144, 2195, 2680, 3512, 4288, 4390, 5360, 7024, 8576, 8780, 10720, 14048, 17560, 21440, 28096, 29413, 35120, 42880, 56192, 58826, 70240, 117652, 140480, 147065, 235304, 280960, 294130, 470608, 588260, 941216, 1176520, 1882432, 2353040, 3764864, 4706080, 9412160, 18824320]

約数ペア:

[(1, 18824320), (2, 9412160), (4, 4706080), (5, 3764864), (8, 2353040), (10, 1882432), (16, 1176520), (20, 941216), (32, 588260), (40, 470608), (64, 294130), (67, 280960), (80, 235304), (128, 147065), (134, 140480), (160, 117652), (268, 70240), (320, 58826), (335, 56192), (439, 42880), (536, 35120), (640, 29413), (670, 28096), (878, 21440), (1072, 17560), (1340, 14048), (1756, 10720), (2144, 8780), (2195, 8576), (2680, 7024), (3512, 5360), (4288, 4390)]