162542020

素因数分解:

$2^2\times 5^1\times {\mathrm{8127101}}^1$

素因数の和:8127110

約数の個数: 12

約数和(自身を含む): 341338284

約数和(自身を除く): 178796264

約数列:

[1, 2, 4, 5, 10, 20, 8127101, 16254202, 32508404, 40635505, 81271010, 162542020]

約数ペア:

[(1, 162542020), (2, 81271010), (4, 40635505), (5, 32508404), (10, 16254202), (20, 8127101)]