2641503670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20319259}}^1$

素因数の和:20319279

約数の個数: 16

約数和(自身を含む): 5120453520

約数和(自身を除く): 2478949850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 20319259, 40638518, 101596295, 203192590, 264150367, 528300734, 1320751835, 2641503670]

約数ペア:

[(1, 2641503670), (2, 1320751835), (5, 528300734), (10, 264150367), (13, 203192590), (26, 101596295), (65, 40638518), (130, 20319259)]