54855880

素因数分解:

$2^3\times 5^1\times {\mathrm{1371397}}^1$

素因数の和:1371408

約数の個数: 16

約数和(自身を含む): 123425820

約数和(自身を除く): 68569940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1371397, 2742794, 5485588, 6856985, 10971176, 13713970, 27427940, 54855880]

約数ペア:

[(1, 54855880), (2, 27427940), (4, 13713970), (5, 10971176), (8, 6856985), (10, 5485588), (20, 2742794), (40, 1371397)]