1680590960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{216571}}^1$

素因数の和:216681

約数の個数: 40

約数和(自身を含む): 3947674416

約数和(自身を除く): 2267083456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 216571, 433142, 866284, 1082855, 1732568, 2165710, 3465136, 4331420, 8662840, 17325680, 21007387, 42014774, 84029548, 105036935, 168059096, 210073870, 336118192, 420147740, 840295480, 1680590960]

約数ペア:

[(1, 1680590960), (2, 840295480), (4, 420147740), (5, 336118192), (8, 210073870), (10, 168059096), (16, 105036935), (20, 84029548), (40, 42014774), (80, 21007387), (97, 17325680), (194, 8662840), (388, 4331420), (485, 3465136), (776, 2165710), (970, 1732568), (1552, 1082855), (1940, 866284), (3880, 433142), (7760, 216571)]