68836540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 149474304

約数和(自身を除く): 80637764

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 661, 820, 1270, 1322, 2540, 2644, 3305, 5207, 6610, 10414, 13220, 20828, 26035, 27101, 52070, 54202, 83947, 104140, 108404, 135505, 167894, 271010, 335788, 419735, 542020, 839470, 1678940, 3441827, 6883654, 13767308, 17209135, 34418270, 68836540]

約数ペア:

[(1, 68836540), (2, 34418270), (4, 17209135), (5, 13767308), (10, 6883654), (20, 3441827), (41, 1678940), (82, 839470), (127, 542020), (164, 419735), (205, 335788), (254, 271010), (410, 167894), (508, 135505), (635, 108404), (661, 104140), (820, 83947), (1270, 54202), (1322, 52070), (2540, 27101), (2644, 26035), (3305, 20828), (5207, 13220), (6610, 10414)]