8172020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3967}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 17332224

約数和(自身を除く): 9160204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 3967, 7934, 15868, 19835, 39670, 79340, 408601, 817202, 1634404, 2043005, 4086010, 8172020]

約数ペア:

[(1, 8172020), (2, 4086010), (4, 2043005), (5, 1634404), (10, 817202), (20, 408601), (103, 79340), (206, 39670), (412, 19835), (515, 15868), (1030, 7934), (2060, 3967)]