25780208

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{8179}}^1$

素因数の和:8384

約数の個数: 20

約数和(自身を含む): 50208840

約数和(自身を除く): 24428632

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 8179, 16358, 32716, 65432, 130864, 1611263, 3222526, 6445052, 12890104, 25780208]

約数ペア:

[(1, 25780208), (2, 12890104), (4, 6445052), (8, 3222526), (16, 1611263), (197, 130864), (394, 65432), (788, 32716), (1576, 16358), (3152, 8179)]