8289280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1619}}^1$

素因数の和:1644

約数の個数: 44

約数和(自身を含む): 19896840

約数和(自身を除く): 11607560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1619, 2560, 3238, 5120, 6476, 8095, 12952, 16190, 25904, 32380, 51808, 64760, 103616, 129520, 207232, 259040, 414464, 518080, 828928, 1036160, 1657856, 2072320, 4144640, 8289280]

約数ペア:

[(1, 8289280), (2, 4144640), (4, 2072320), (5, 1657856), (8, 1036160), (10, 828928), (16, 518080), (20, 414464), (32, 259040), (40, 207232), (64, 129520), (80, 103616), (128, 64760), (160, 51808), (256, 32380), (320, 25904), (512, 16190), (640, 12952), (1024, 8095), (1280, 6476), (1619, 5120), (2560, 3238)]