440105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 16

約数和(自身を含む): 570240

約数和(自身を除く): 130135

約数列:

[1, 5, 23, 43, 89, 115, 215, 445, 989, 2047, 3827, 4945, 10235, 19135, 88021, 440105]

約数ペア:

[(1, 440105), (5, 88021), (23, 19135), (43, 10235), (89, 4945), (115, 3827), (215, 2047), (445, 989)]