871376260

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{66721}}^1$

素因数の和:67383

約数の個数: 24

約数和(自身を含む): 1832719896

約数和(自身を除く): 961343636

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 66721, 133442, 266884, 333605, 667210, 1334420, 43568813, 87137626, 174275252, 217844065, 435688130, 871376260]

約数ペア:

[(1, 871376260), (2, 435688130), (4, 217844065), (5, 174275252), (10, 87137626), (20, 43568813), (653, 1334420), (1306, 667210), (2612, 333605), (3265, 266884), (6530, 133442), (13060, 66721)]