25196440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5779}}^1$

素因数の和:5899

約数の個数: 32

約数和(自身を含む): 57222000

約数和(自身を除く): 32025560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5779, 11558, 23116, 28895, 46232, 57790, 115580, 231160, 629911, 1259822, 2519644, 3149555, 5039288, 6299110, 12598220, 25196440]

約数ペア:

[(1, 25196440), (2, 12598220), (4, 6299110), (5, 5039288), (8, 3149555), (10, 2519644), (20, 1259822), (40, 629911), (109, 231160), (218, 115580), (436, 57790), (545, 46232), (872, 28895), (1090, 23116), (2180, 11558), (4360, 5779)]