2009189780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7727653}}^1$

素因数の和:7727675

約数の個数: 24

約数和(自身を含む): 4543860552

約数和(自身を除く): 2534670772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7727653, 15455306, 30910612, 38638265, 77276530, 100459489, 154553060, 200918978, 401837956, 502297445, 1004594890, 2009189780]

約数ペア:

[(1, 2009189780), (2, 1004594890), (4, 502297445), (5, 401837956), (10, 200918978), (13, 154553060), (20, 100459489), (26, 77276530), (52, 38638265), (65, 30910612), (130, 15455306), (260, 7727653)]