51474680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31387}}^1$

素因数の和:31439

約数の個数: 32

約数和(自身を含む): 118646640

約数和(自身を除く): 67171960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 31387, 62774, 125548, 156935, 251096, 313870, 627740, 1255480, 1286867, 2573734, 5147468, 6434335, 10294936, 12868670, 25737340, 51474680]

約数ペア:

[(1, 51474680), (2, 25737340), (4, 12868670), (5, 10294936), (8, 6434335), (10, 5147468), (20, 2573734), (40, 1286867), (41, 1255480), (82, 627740), (164, 313870), (205, 251096), (328, 156935), (410, 125548), (820, 62774), (1640, 31387)]