13240775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 17104560

約数和(自身を除く): 3863785

約数列:

[1, 5, 25, 43, 109, 113, 215, 545, 565, 1075, 2725, 2825, 4687, 4859, 12317, 23435, 24295, 61585, 117175, 121475, 307925, 529631, 2648155, 13240775]

約数ペア:

[(1, 13240775), (5, 2648155), (25, 529631), (43, 307925), (109, 121475), (113, 117175), (215, 61585), (545, 24295), (565, 23435), (1075, 12317), (2725, 4859), (2825, 4687)]