13565420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 31334688

約数和(自身を除く): 17769268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 313, 394, 626, 788, 985, 1252, 1565, 1970, 2167, 3130, 3443, 3940, 4334, 6260, 6886, 8668, 10835, 13772, 17215, 21670, 34430, 43340, 61661, 68860, 123322, 246644, 308305, 616610, 678271, 1233220, 1356542, 2713084, 3391355, 6782710, 13565420]

約数ペア:

[(1, 13565420), (2, 6782710), (4, 3391355), (5, 2713084), (10, 1356542), (11, 1233220), (20, 678271), (22, 616610), (44, 308305), (55, 246644), (110, 123322), (197, 68860), (220, 61661), (313, 43340), (394, 34430), (626, 21670), (788, 17215), (985, 13772), (1252, 10835), (1565, 8668), (1970, 6886), (2167, 6260), (3130, 4334), (3443, 3940)]