11880220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54001}}^1$

素因数の和:54021

約数の個数: 24

約数和(自身を含む): 27217008

約数和(自身を除く): 15336788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54001, 108002, 216004, 270005, 540010, 594011, 1080020, 1188022, 2376044, 2970055, 5940110, 11880220]

約数ペア:

[(1, 11880220), (2, 5940110), (4, 2970055), (5, 2376044), (10, 1188022), (11, 1080020), (20, 594011), (22, 540010), (44, 270005), (55, 216004), (110, 108002), (220, 54001)]