25681490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23561}}^1$

素因数の和:23677

約数の個数: 16

約数和(自身を含む): 46652760

約数和(自身を除く): 20971270

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 23561, 47122, 117805, 235610, 2568149, 5136298, 12840745, 25681490]

約数ペア:

[(1, 25681490), (2, 12840745), (5, 5136298), (10, 2568149), (109, 235610), (218, 117805), (545, 47122), (1090, 23561)]