87225680

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5479}}^1$

素因数の和:5691

約数の個数: 40

約数和(自身を含む): 203856000

約数和(自身を除く): 116630320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 5479, 7960, 10958, 15920, 21916, 27395, 43832, 54790, 87664, 109580, 219160, 438320, 1090321, 2180642, 4361284, 5451605, 8722568, 10903210, 17445136, 21806420, 43612840, 87225680]

約数ペア:

[(1, 87225680), (2, 43612840), (4, 21806420), (5, 17445136), (8, 10903210), (10, 8722568), (16, 5451605), (20, 4361284), (40, 2180642), (80, 1090321), (199, 438320), (398, 219160), (796, 109580), (995, 87664), (1592, 54790), (1990, 43832), (3184, 27395), (3980, 21916), (5479, 15920), (7960, 10958)]