2160040

素因数分解:

$2^3\times 5^1\times {\mathrm{54001}}^1$

素因数の和:54012

約数の個数: 16

約数和(自身を含む): 4860180

約数和(自身を除く): 2700140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54001, 108002, 216004, 270005, 432008, 540010, 1080020, 2160040]

約数ペア:

[(1, 2160040), (2, 1080020), (4, 540010), (5, 432008), (8, 270005), (10, 216004), (20, 108002), (40, 54001)]