13225780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^2$

素因数の和:304

約数の個数: 36

約数和(自身を含む): 28677348

約数和(自身を除く): 15451568

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 820, 1270, 2540, 5207, 10414, 16129, 20828, 26035, 32258, 52070, 64516, 80645, 104140, 161290, 322580, 661289, 1322578, 2645156, 3306445, 6612890, 13225780]

約数ペア:

[(1, 13225780), (2, 6612890), (4, 3306445), (5, 2645156), (10, 1322578), (20, 661289), (41, 322580), (82, 161290), (127, 104140), (164, 80645), (205, 64516), (254, 52070), (410, 32258), (508, 26035), (635, 20828), (820, 16129), (1270, 10414), (2540, 5207)]