5391280

素因数分解:

$2^4\times 5^1\times {\mathrm{67391}}^1$

素因数の和:67404

約数の個数: 20

約数和(自身を含む): 12534912

約数和(自身を除く): 7143632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 67391, 134782, 269564, 336955, 539128, 673910, 1078256, 1347820, 2695640, 5391280]

約数ペア:

[(1, 5391280), (2, 2695640), (4, 1347820), (5, 1078256), (8, 673910), (10, 539128), (16, 336955), (20, 269564), (40, 134782), (80, 67391)]