80281385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 102700224

約数和(自身を除く): 22418839

約数列:

[1, 5, 23, 73, 115, 131, 365, 655, 1679, 3013, 5329, 8395, 9563, 15065, 26645, 47815, 122567, 219949, 612835, 698099, 1099745, 3490495, 16056277, 80281385]

約数ペア:

[(1, 80281385), (5, 16056277), (23, 3490495), (73, 1099745), (115, 698099), (131, 612835), (365, 219949), (655, 122567), (1679, 47815), (3013, 26645), (5329, 15065), (8395, 9563)]