2051255180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7889443}}^1$

素因数の和:7889465

約数の個数: 24

約数和(自身を含む): 4638993072

約数和(自身を除く): 2587737892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7889443, 15778886, 31557772, 39447215, 78894430, 102562759, 157788860, 205125518, 410251036, 512813795, 1025627590, 2051255180]

約数ペア:

[(1, 2051255180), (2, 1025627590), (4, 512813795), (5, 410251036), (10, 205125518), (13, 157788860), (20, 102562759), (26, 78894430), (52, 39447215), (65, 31557772), (130, 15778886), (260, 7889443)]