90088025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2131}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 118965600

約数和(自身を除く): 28877575

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2131, 2225, 8455, 10655, 40489, 42275, 53275, 189659, 202445, 948295, 1012225, 3603521, 4741475, 18017605, 90088025]

約数ペア:

[(1, 90088025), (5, 18017605), (19, 4741475), (25, 3603521), (89, 1012225), (95, 948295), (445, 202445), (475, 189659), (1691, 53275), (2131, 42275), (2225, 40489), (8455, 10655)]