51061220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3541}}^1$

素因数の和:3660

約数の個数: 48

約数和(自身を含む): 123771648

約数和(自身を除く): 72710428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3541, 3605, 7082, 7210, 14164, 14420, 17705, 24787, 35410, 49574, 70820, 99148, 123935, 247870, 364723, 495740, 729446, 1458892, 1823615, 2553061, 3647230, 5106122, 7294460, 10212244, 12765305, 25530610, 51061220]

約数ペア:

[(1, 51061220), (2, 25530610), (4, 12765305), (5, 10212244), (7, 7294460), (10, 5106122), (14, 3647230), (20, 2553061), (28, 1823615), (35, 1458892), (70, 729446), (103, 495740), (140, 364723), (206, 247870), (412, 123935), (515, 99148), (721, 70820), (1030, 49574), (1442, 35410), (2060, 24787), (2884, 17705), (3541, 14420), (3605, 14164), (7082, 7210)]