2247680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{439}}^1$

素因数の和:464

約数の個数: 44

約数和(自身を含む): 5404080

約数和(自身を除く): 3156400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 439, 512, 640, 878, 1024, 1280, 1756, 2195, 2560, 3512, 4390, 5120, 7024, 8780, 14048, 17560, 28096, 35120, 56192, 70240, 112384, 140480, 224768, 280960, 449536, 561920, 1123840, 2247680]

約数ペア:

[(1, 2247680), (2, 1123840), (4, 561920), (5, 449536), (8, 280960), (10, 224768), (16, 140480), (20, 112384), (32, 70240), (40, 56192), (64, 35120), (80, 28096), (128, 17560), (160, 14048), (256, 8780), (320, 7024), (439, 5120), (512, 4390), (640, 3512), (878, 2560), (1024, 2195), (1280, 1756)]