51968900

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{1021}}^1$

素因数の和:1544

約数の個数: 36

約数和(自身を含む): 113104740

約数和(自身を除く): 61135840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 1021, 2036, 2042, 2545, 4084, 5090, 5105, 10180, 10210, 12725, 20420, 25450, 25525, 50900, 51050, 102100, 519689, 1039378, 2078756, 2598445, 5196890, 10393780, 12992225, 25984450, 51968900]

約数ペア:

[(1, 51968900), (2, 25984450), (4, 12992225), (5, 10393780), (10, 5196890), (20, 2598445), (25, 2078756), (50, 1039378), (100, 519689), (509, 102100), (1018, 51050), (1021, 50900), (2036, 25525), (2042, 25450), (2545, 20420), (4084, 12725), (5090, 10210), (5105, 10180)]