2589020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18493}}^1$

素因数の和:18509

約数の個数: 24

約数和(自身を含む): 6213984

約数和(自身を除く): 3624964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18493, 36986, 73972, 92465, 129451, 184930, 258902, 369860, 517804, 647255, 1294510, 2589020]

約数ペア:

[(1, 2589020), (2, 1294510), (4, 647255), (5, 517804), (7, 369860), (10, 258902), (14, 184930), (20, 129451), (28, 92465), (35, 73972), (70, 36986), (140, 18493)]