39987685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18301}}^1$

素因数の和:18348

約数の個数: 16

約数和(自身を含む): 52709760

約数和(自身を除く): 12722075

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 18301, 91505, 347719, 420923, 1738595, 2104615, 7997537, 39987685]

約数ペア:

[(1, 39987685), (5, 7997537), (19, 2104615), (23, 1738595), (95, 420923), (115, 347719), (437, 91505), (2185, 18301)]