123558320

素因数分解:

$2^4\times 5^1\times {\mathrm{1544479}}^1$

素因数の和:1544492

約数の個数: 20

約数和(自身を含む): 287273280

約数和(自身を除く): 163714960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1544479, 3088958, 6177916, 7722395, 12355832, 15444790, 24711664, 30889580, 61779160, 123558320]

約数ペア:

[(1, 123558320), (2, 61779160), (4, 30889580), (5, 24711664), (8, 15444790), (10, 12355832), (16, 7722395), (20, 6177916), (40, 3088958), (80, 1544479)]