25400620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25919}}^1$

素因数の和:25942

約数の個数: 36

約数和(自身を含む): 62052480

約数和(自身を除く): 36651860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25919, 51838, 103676, 129595, 181433, 259190, 362866, 518380, 725732, 907165, 1270031, 1814330, 2540062, 3628660, 5080124, 6350155, 12700310, 25400620]

約数ペア:

[(1, 25400620), (2, 12700310), (4, 6350155), (5, 5080124), (7, 3628660), (10, 2540062), (14, 1814330), (20, 1270031), (28, 907165), (35, 725732), (49, 518380), (70, 362866), (98, 259190), (140, 181433), (196, 129595), (245, 103676), (490, 51838), (980, 25919)]