517461620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1990237}}^1$

素因数の和:1990259

約数の個数: 24

約数和(自身を含む): 1170259944

約数和(自身を除く): 652798324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1990237, 3980474, 7960948, 9951185, 19902370, 25873081, 39804740, 51746162, 103492324, 129365405, 258730810, 517461620]

約数ペア:

[(1, 517461620), (2, 258730810), (4, 129365405), (5, 103492324), (10, 51746162), (13, 39804740), (20, 25873081), (26, 19902370), (52, 9951185), (65, 7960948), (130, 3980474), (260, 1990237)]