81382821040

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1806901}}^1$

素因数の和:1807477

約数の個数: 40

約数和(自身を含む): 189551247408

約数和(自身を除く): 108168426368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 5630, 9008, 11260, 22520, 45040, 1806901, 3613802, 7227604, 9034505, 14455208, 18069010, 28910416, 36138020, 72276040, 144552080, 1017285263, 2034570526, 4069141052, 5086426315, 8138282104, 10172852630, 16276564208, 20345705260, 40691410520, 81382821040]

約数ペア:

[(1, 81382821040), (2, 40691410520), (4, 20345705260), (5, 16276564208), (8, 10172852630), (10, 8138282104), (16, 5086426315), (20, 4069141052), (40, 2034570526), (80, 1017285263), (563, 144552080), (1126, 72276040), (2252, 36138020), (2815, 28910416), (4504, 18069010), (5630, 14455208), (9008, 9034505), (11260, 7227604), (22520, 3613802), (45040, 1806901)]