4227025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 6026400

約数和(自身を除く): 1799375

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 809, 1045, 4045, 5225, 8899, 15371, 20225, 44495, 76855, 169081, 222475, 384275, 845405, 4227025]

約数ペア:

[(1, 4227025), (5, 845405), (11, 384275), (19, 222475), (25, 169081), (55, 76855), (95, 44495), (209, 20225), (275, 15371), (475, 8899), (809, 5225), (1045, 4045)]