64005790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90149}}^1$

素因数の和:90227

約数の個数: 16

約数和(自身を含む): 116834400

約数和(自身を除く): 52828610

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90149, 180298, 450745, 901490, 6400579, 12801158, 32002895, 64005790]

約数ペア:

[(1, 64005790), (2, 32002895), (5, 12801158), (10, 6400579), (71, 901490), (142, 450745), (355, 180298), (710, 90149)]