40804205

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 54302688

約数和(自身を除く): 13498483

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 845, 1123, 2795, 5615, 7267, 14599, 36335, 48289, 72995, 189787, 241445, 627757, 948935, 3138785, 8160841, 40804205]

約数ペア:

[(1, 40804205), (5, 8160841), (13, 3138785), (43, 948935), (65, 627757), (169, 241445), (215, 189787), (559, 72995), (845, 48289), (1123, 36335), (2795, 14599), (5615, 7267)]