550654780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2117903}}^1$

素因数の和:2117925

約数の個数: 24

約数和(自身を含む): 1245327552

約数和(自身を除く): 694672772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2117903, 4235806, 8471612, 10589515, 21179030, 27532739, 42358060, 55065478, 110130956, 137663695, 275327390, 550654780]

約数ペア:

[(1, 550654780), (2, 275327390), (4, 137663695), (5, 110130956), (10, 55065478), (13, 42358060), (20, 27532739), (26, 21179030), (52, 10589515), (65, 8471612), (130, 4235806), (260, 2117903)]