12910220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22259}}^1$

素因数の和:22297

約数の個数: 24

約数和(自身を含む): 28047600

約数和(自身を除く): 15137380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 22259, 44518, 89036, 111295, 222590, 445180, 645511, 1291022, 2582044, 3227555, 6455110, 12910220]

約数ペア:

[(1, 12910220), (2, 6455110), (4, 3227555), (5, 2582044), (10, 1291022), (20, 645511), (29, 445180), (58, 222590), (116, 111295), (145, 89036), (290, 44518), (580, 22259)]