31984640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{6247}}^1$

素因数の和:6272

約数の個数: 44

約数和(自身を含む): 76737936

約数和(自身を除く): 44753296

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, 6247, 12494, 24988, 31235, 49976, 62470, 99952, 124940, 199904, 249880, 399808, 499760, 799616, 999520, 1599232, 1999040, 3198464, 3998080, 6396928, 7996160, 15992320, 31984640]

約数ペア:

[(1, 31984640), (2, 15992320), (4, 7996160), (5, 6396928), (8, 3998080), (10, 3198464), (16, 1999040), (20, 1599232), (32, 999520), (40, 799616), (64, 499760), (80, 399808), (128, 249880), (160, 199904), (256, 124940), (320, 99952), (512, 62470), (640, 49976), (1024, 31235), (1280, 24988), (2560, 12494), (5120, 6247)]