13487540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 31256064

約数和(自身を除く): 17768524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 607, 1010, 1111, 1214, 2020, 2222, 2428, 3035, 4444, 5555, 6070, 6677, 11110, 12140, 13354, 22220, 26708, 33385, 61307, 66770, 122614, 133540, 245228, 306535, 613070, 674377, 1226140, 1348754, 2697508, 3371885, 6743770, 13487540]

約数ペア:

[(1, 13487540), (2, 6743770), (4, 3371885), (5, 2697508), (10, 1348754), (11, 1226140), (20, 674377), (22, 613070), (44, 306535), (55, 245228), (101, 133540), (110, 122614), (202, 66770), (220, 61307), (404, 33385), (505, 26708), (607, 22220), (1010, 13354), (1111, 12140), (1214, 11110), (2020, 6677), (2222, 6070), (2428, 5555), (3035, 4444)]