25813540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9421}}^1$

素因数の和:9567

約数の個数: 24

約数和(自身を含む): 54609912

約数和(自身を除く): 28796372

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 9421, 18842, 37684, 47105, 94210, 188420, 1290677, 2581354, 5162708, 6453385, 12906770, 25813540]

約数ペア:

[(1, 25813540), (2, 12906770), (4, 6453385), (5, 5162708), (10, 2581354), (20, 1290677), (137, 188420), (274, 94210), (548, 47105), (685, 37684), (1370, 18842), (2740, 9421)]