1320786550

素因数分解:

$2^1\times 5^2\times {\mathrm{26415731}}^1$

素因数の和:26415743

約数の個数: 12

約数和(自身を含む): 2456663076

約数和(自身を除く): 1135876526

約数列:

[1, 2, 5, 10, 25, 50, 26415731, 52831462, 132078655, 264157310, 660393275, 1320786550]

約数ペア:

[(1, 1320786550), (2, 660393275), (5, 264157310), (10, 132078655), (25, 52831462), (50, 26415731)]