204038320

素因数分解:

$2^4\times 5^1\times {\mathrm{2550479}}^1$

素因数の和:2550492

約数の個数: 20

約数和(自身を含む): 474389280

約数和(自身を除く): 270350960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2550479, 5100958, 10201916, 12752395, 20403832, 25504790, 40807664, 51009580, 102019160, 204038320]

約数ペア:

[(1, 204038320), (2, 102019160), (4, 51009580), (5, 40807664), (8, 25504790), (10, 20403832), (16, 12752395), (20, 10201916), (40, 5100958), (80, 2550479)]