8517678080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1663609}}^1$

素因数の和:1663634

約数の個数: 44

約数和(自身を含む): 20432458020

約数和(自身を除く): 11914779940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 1663609, 3327218, 6654436, 8318045, 13308872, 16636090, 26617744, 33272180, 53235488, 66544360, 106470976, 133088720, 212941952, 266177440, 425883904, 532354880, 851767808, 1064709760, 1703535616, 2129419520, 4258839040, 8517678080]

約数ペア:

[(1, 8517678080), (2, 4258839040), (4, 2129419520), (5, 1703535616), (8, 1064709760), (10, 851767808), (16, 532354880), (20, 425883904), (32, 266177440), (40, 212941952), (64, 133088720), (80, 106470976), (128, 66544360), (160, 53235488), (256, 33272180), (320, 26617744), (512, 16636090), (640, 13308872), (1024, 8318045), (1280, 6654436), (2560, 3327218), (5120, 1663609)]