25340890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 46947600

約数和(自身を除く): 21606710

約数列:

[1, 2, 5, 10, 53, 106, 137, 265, 274, 349, 530, 685, 698, 1370, 1745, 3490, 7261, 14522, 18497, 36305, 36994, 47813, 72610, 92485, 95626, 184970, 239065, 478130, 2534089, 5068178, 12670445, 25340890]

約数ペア:

[(1, 25340890), (2, 12670445), (5, 5068178), (10, 2534089), (53, 478130), (106, 239065), (137, 184970), (265, 95626), (274, 92485), (349, 72610), (530, 47813), (685, 36994), (698, 36305), (1370, 18497), (1745, 14522), (3490, 7261)]