17419520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 43169280

約数和(自身を除く): 25749760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 439, 496, 620, 640, 878, 992, 1240, 1280, 1756, 1984, 2195, 2480, 3512, 3968, 4390, 4960, 7024, 7936, 8780, 9920, 13609, 14048, 17560, 19840, 27218, 28096, 35120, 39680, 54436, 56192, 68045, 70240, 108872, 112384, 136090, 140480, 217744, 272180, 280960, 435488, 544360, 561920, 870976, 1088720, 1741952, 2177440, 3483904, 4354880, 8709760, 17419520]

約数ペア:

[(1, 17419520), (2, 8709760), (4, 4354880), (5, 3483904), (8, 2177440), (10, 1741952), (16, 1088720), (20, 870976), (31, 561920), (32, 544360), (40, 435488), (62, 280960), (64, 272180), (80, 217744), (124, 140480), (128, 136090), (155, 112384), (160, 108872), (248, 70240), (256, 68045), (310, 56192), (320, 54436), (439, 39680), (496, 35120), (620, 28096), (640, 27218), (878, 19840), (992, 17560), (1240, 14048), (1280, 13609), (1756, 9920), (1984, 8780), (2195, 7936), (2480, 7024), (3512, 4960), (3968, 4390)]