40490645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2003}}^1$

素因数の和:2332

約数の個数: 16

約数和(自身を含む): 52520832

約数和(自身を除く): 12030187

約数列:

[1, 5, 13, 65, 311, 1555, 2003, 4043, 10015, 20215, 26039, 130195, 622933, 3114665, 8098129, 40490645]

約数ペア:

[(1, 40490645), (5, 8098129), (13, 3114665), (65, 622933), (311, 130195), (1555, 26039), (2003, 20215), (4043, 10015)]