16327780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16661}}^1$

素因数の和:16684

約数の個数: 36

約数和(自身を含む): 39888828

約数和(自身を除く): 23561048

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16661, 33322, 66644, 83305, 116627, 166610, 233254, 333220, 466508, 583135, 816389, 1166270, 1632778, 2332540, 3265556, 4081945, 8163890, 16327780]

約数ペア:

[(1, 16327780), (2, 8163890), (4, 4081945), (5, 3265556), (7, 2332540), (10, 1632778), (14, 1166270), (20, 816389), (28, 583135), (35, 466508), (49, 333220), (70, 233254), (98, 166610), (140, 116627), (196, 83305), (245, 66644), (490, 33322), (980, 16661)]