2019861575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{60611}}^1$

素因数の和:60695

約数の個数: 24

約数和(自身を含む): 2645592576

約数和(自身を除く): 625731001

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 1075, 1333, 6665, 33325, 60611, 303055, 1515275, 1878941, 2606273, 9394705, 13031365, 46973525, 65156825, 80794463, 403972315, 2019861575]

約数ペア:

[(1, 2019861575), (5, 403972315), (25, 80794463), (31, 65156825), (43, 46973525), (155, 13031365), (215, 9394705), (775, 2606273), (1075, 1878941), (1333, 1515275), (6665, 303055), (33325, 60611)]