40890716

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{129401}}^1$

素因数の和:129484

約数の個数: 12

約数和(自身を含む): 72465120

約数和(自身を除く): 31574404

約数列:

[1, 2, 4, 79, 158, 316, 129401, 258802, 517604, 10222679, 20445358, 40890716]

約数ペア:

[(1, 40890716), (2, 20445358), (4, 10222679), (79, 517604), (158, 258802), (316, 129401)]