1340525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:125

約数の個数: 18

約数和(自身を含む): 1760490

約数和(自身を除く): 419965

約数列:

[1, 5, 25, 29, 43, 145, 215, 725, 1075, 1247, 1849, 6235, 9245, 31175, 46225, 53621, 268105, 1340525]

約数ペア:

[(1, 1340525), (5, 268105), (25, 53621), (29, 46225), (43, 31175), (145, 9245), (215, 6235), (725, 1849), (1075, 1247)]