31680176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{180001}}^1$

素因数の和:180020

約数の個数: 20

約数和(自身を含む): 66960744

約数和(自身を除く): 35280568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 180001, 360002, 720004, 1440008, 1980011, 2880016, 3960022, 7920044, 15840088, 31680176]

約数ペア:

[(1, 31680176), (2, 15840088), (4, 7920044), (8, 3960022), (11, 2880016), (16, 1980011), (22, 1440008), (44, 720004), (88, 360002), (176, 180001)]