25221220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{29327}}^1$

素因数の和:29379

約数の個数: 24

約数和(自身を含む): 54198144

約数和(自身を除く): 28976924

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 29327, 58654, 117308, 146635, 293270, 586540, 1261061, 2522122, 5044244, 6305305, 12610610, 25221220]

約数ペア:

[(1, 25221220), (2, 12610610), (4, 6305305), (5, 5044244), (10, 2522122), (20, 1261061), (43, 586540), (86, 293270), (172, 146635), (215, 117308), (430, 58654), (860, 29327)]