1651318960

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{82237}}^1$

素因数の和:82501

約数の個数: 40

約数和(自身を含む): 3854659536

約数和(自身を除く): 2203340576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 82237, 164474, 328948, 411185, 657896, 822370, 1315792, 1644740, 3289480, 6578960, 20641487, 41282974, 82565948, 103207435, 165131896, 206414870, 330263792, 412829740, 825659480, 1651318960]

約数ペア:

[(1, 1651318960), (2, 825659480), (4, 412829740), (5, 330263792), (8, 206414870), (10, 165131896), (16, 103207435), (20, 82565948), (40, 41282974), (80, 20641487), (251, 6578960), (502, 3289480), (1004, 1644740), (1255, 1315792), (2008, 822370), (2510, 657896), (4016, 411185), (5020, 328948), (10040, 164474), (20080, 82237)]