54178820

素因数分解:

$2^2\times 5^1\times {\mathrm{2708941}}^1$

素因数の和:2708950

約数の個数: 12

約数和(自身を含む): 113775564

約数和(自身を除く): 59596744

約数列:

[1, 2, 4, 5, 10, 20, 2708941, 5417882, 10835764, 13544705, 27089410, 54178820]

約数ペア:

[(1, 54178820), (2, 27089410), (4, 13544705), (5, 10835764), (10, 5417882), (20, 2708941)]