25662280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13093}}^1$

素因数の和:13118

約数の個数: 48

約数和(自身を含む): 67172220

約数和(自身を除く): 41509940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13093, 26186, 52372, 65465, 91651, 104744, 130930, 183302, 261860, 366604, 458255, 523720, 641557, 733208, 916510, 1283114, 1833020, 2566228, 3207785, 3666040, 5132456, 6415570, 12831140, 25662280]

約数ペア:

[(1, 25662280), (2, 12831140), (4, 6415570), (5, 5132456), (7, 3666040), (8, 3207785), (10, 2566228), (14, 1833020), (20, 1283114), (28, 916510), (35, 733208), (40, 641557), (49, 523720), (56, 458255), (70, 366604), (98, 261860), (140, 183302), (196, 130930), (245, 104744), (280, 91651), (392, 65465), (490, 52372), (980, 26186), (1960, 13093)]