51128120

素因数分解:

$2^3\times 5^1\times {\mathrm{1278203}}^1$

素因数の和:1278214

約数の個数: 16

約数和(自身を含む): 115038360

約数和(自身を除く): 63910240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1278203, 2556406, 5112812, 6391015, 10225624, 12782030, 25564060, 51128120]

約数ペア:

[(1, 51128120), (2, 25564060), (4, 12782030), (5, 10225624), (8, 6391015), (10, 5112812), (20, 2556406), (40, 1278203)]