520017025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{2459}}^1$

素因数の和:3249

約数の個数: 24

約数和(自身を含む): 704642400

約数和(自身を除く): 184625375

約数列:

[1, 5, 11, 25, 55, 275, 769, 2459, 3845, 8459, 12295, 19225, 27049, 42295, 61475, 135245, 211475, 676225, 1890971, 9454855, 20800681, 47274275, 104003405, 520017025]

約数ペア:

[(1, 520017025), (5, 104003405), (11, 47274275), (25, 20800681), (55, 9454855), (275, 1890971), (769, 676225), (2459, 211475), (3845, 135245), (8459, 61475), (12295, 42295), (19225, 27049)]