1330240025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{749431}}^1$

素因数の和:749512

約数の個数: 12

約数和(自身を含む): 1672732224

約数和(自身を除く): 342492199

約数列:

[1, 5, 25, 71, 355, 1775, 749431, 3747155, 18735775, 53209601, 266048005, 1330240025]

約数ペア:

[(1, 1330240025), (5, 266048005), (25, 53209601), (71, 18735775), (355, 3747155), (1775, 749431)]