25961620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11909}}^1$

素因数の和:12027

約数の個数: 24

約数和(自身を含む): 55024200

約数和(自身を除く): 29062580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11909, 23818, 47636, 59545, 119090, 238180, 1298081, 2596162, 5192324, 6490405, 12980810, 25961620]

約数ペア:

[(1, 25961620), (2, 12980810), (4, 6490405), (5, 5192324), (10, 2596162), (20, 1298081), (109, 238180), (218, 119090), (436, 59545), (545, 47636), (1090, 23818), (2180, 11909)]