538477640

素因数分解:

$2^3\times 5^1\times {\mathrm{13461941}}^1$

素因数の和:13461952

約数の個数: 16

約数和(自身を含む): 1211574780

約数和(自身を除く): 673097140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13461941, 26923882, 53847764, 67309705, 107695528, 134619410, 269238820, 538477640]

約数ペア:

[(1, 538477640), (2, 269238820), (4, 134619410), (5, 107695528), (8, 67309705), (10, 53847764), (20, 26923882), (40, 13461941)]