4191280

素因数分解:

$2^4\times 5^1\times {\mathrm{52391}}^1$

素因数の和:52404

約数の個数: 20

約数和(自身を含む): 9744912

約数和(自身を除く): 5553632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 52391, 104782, 209564, 261955, 419128, 523910, 838256, 1047820, 2095640, 4191280]

約数ペア:

[(1, 4191280), (2, 2095640), (4, 1047820), (5, 838256), (8, 523910), (10, 419128), (16, 261955), (20, 209564), (40, 104782), (80, 52391)]