261230960

素因数分解:

$2^4\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{2837}}^1$

素因数の和:4001

約数の個数: 40

約数和(自身を含む): 608103936

約数和(自身を除く): 346872976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1151, 2302, 2837, 4604, 5674, 5755, 9208, 11348, 11510, 14185, 18416, 22696, 23020, 28370, 45392, 46040, 56740, 92080, 113480, 226960, 3265387, 6530774, 13061548, 16326935, 26123096, 32653870, 52246192, 65307740, 130615480, 261230960]

約数ペア:

[(1, 261230960), (2, 130615480), (4, 65307740), (5, 52246192), (8, 32653870), (10, 26123096), (16, 16326935), (20, 13061548), (40, 6530774), (80, 3265387), (1151, 226960), (2302, 113480), (2837, 92080), (4604, 56740), (5674, 46040), (5755, 45392), (9208, 28370), (11348, 23020), (11510, 22696), (14185, 18416)]