20160828610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{161377}}^1$

素因数の和:161459

約数の個数: 48

約数和(自身を含む): 40382585208

約数和(自身を除く): 20221756598

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 2015, 4030, 4805, 9610, 12493, 24986, 62465, 124930, 161377, 322754, 806885, 1613770, 2097901, 4195802, 5002687, 10005374, 10489505, 20979010, 25013435, 50026870, 65034931, 130069862, 155083297, 310166594, 325174655, 650349310, 775416485, 1550832970, 2016082861, 4032165722, 10080414305, 20160828610]

約数ペア:

[(1, 20160828610), (2, 10080414305), (5, 4032165722), (10, 2016082861), (13, 1550832970), (26, 775416485), (31, 650349310), (62, 325174655), (65, 310166594), (130, 155083297), (155, 130069862), (310, 65034931), (403, 50026870), (806, 25013435), (961, 20979010), (1922, 10489505), (2015, 10005374), (4030, 5002687), (4805, 4195802), (9610, 2097901), (12493, 1613770), (24986, 806885), (62465, 322754), (124930, 161377)]