12800995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 16153920

約数和(自身を除く): 3352925

約数列:

[1, 5, 23, 115, 157, 709, 785, 3545, 3611, 16307, 18055, 81535, 111313, 556565, 2560199, 12800995]

約数ペア:

[(1, 12800995), (5, 2560199), (23, 556565), (115, 111313), (157, 81535), (709, 18055), (785, 16307), (3545, 3611)]