12197920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{10891}}^1$

素因数の和:10913

約数の個数: 48

約数和(自身を含む): 32937408

約数和(自身を除く): 20739488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 10891, 21782, 43564, 54455, 76237, 87128, 108910, 152474, 174256, 217820, 304948, 348512, 381185, 435640, 609896, 762370, 871280, 1219792, 1524740, 1742560, 2439584, 3049480, 6098960, 12197920]

約数ペア:

[(1, 12197920), (2, 6098960), (4, 3049480), (5, 2439584), (7, 1742560), (8, 1524740), (10, 1219792), (14, 871280), (16, 762370), (20, 609896), (28, 435640), (32, 381185), (35, 348512), (40, 304948), (56, 217820), (70, 174256), (80, 152474), (112, 108910), (140, 87128), (160, 76237), (224, 54455), (280, 43564), (560, 21782), (1120, 10891)]