80814140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3637}}^1$

素因数の和:3758

約数の個数: 48

約数和(自身を含む): 187022304

約数和(自身を除く): 106208164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 3637, 4444, 5555, 7274, 11110, 14548, 18185, 22220, 36370, 40007, 72740, 80014, 160028, 200035, 367337, 400070, 734674, 800140, 1469348, 1836685, 3673370, 4040707, 7346740, 8081414, 16162828, 20203535, 40407070, 80814140]

約数ペア:

[(1, 80814140), (2, 40407070), (4, 20203535), (5, 16162828), (10, 8081414), (11, 7346740), (20, 4040707), (22, 3673370), (44, 1836685), (55, 1469348), (101, 800140), (110, 734674), (202, 400070), (220, 367337), (404, 200035), (505, 160028), (1010, 80014), (1111, 72740), (2020, 40007), (2222, 36370), (3637, 22220), (4444, 18185), (5555, 14548), (7274, 11110)]