57720910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{444007}}^1$

素因数の和:444027

約数の個数: 16

約数和(自身を含む): 111890016

約数和(自身を除く): 54169106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 444007, 888014, 2220035, 4440070, 5772091, 11544182, 28860455, 57720910]

約数ペア:

[(1, 57720910), (2, 28860455), (5, 11544182), (10, 5772091), (13, 4440070), (26, 2220035), (65, 888014), (130, 444007)]