27459804980

素因数分解:

$2^2\times 5^1\times {\mathrm{1372990249}}^1$

素因数の和:1372990258

約数の個数: 12

約数和(自身を含む): 57665590500

約数和(自身を除く): 30205785520

約数列:

[1, 2, 4, 5, 10, 20, 1372990249, 2745980498, 5491960996, 6864951245, 13729902490, 27459804980]

約数ペア:

[(1, 27459804980), (2, 13729902490), (4, 6864951245), (5, 5491960996), (10, 2745980498), (20, 1372990249)]