11236760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 15374440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 139, 172, 188, 215, 235, 278, 344, 376, 430, 470, 556, 695, 860, 940, 1112, 1390, 1720, 1880, 2021, 2780, 4042, 5560, 5977, 6533, 8084, 10105, 11954, 13066, 16168, 20210, 23908, 26132, 29885, 32665, 40420, 47816, 52264, 59770, 65330, 80840, 119540, 130660, 239080, 261320, 280919, 561838, 1123676, 1404595, 2247352, 2809190, 5618380, 11236760]

約数ペア:

[(1, 11236760), (2, 5618380), (4, 2809190), (5, 2247352), (8, 1404595), (10, 1123676), (20, 561838), (40, 280919), (43, 261320), (47, 239080), (86, 130660), (94, 119540), (139, 80840), (172, 65330), (188, 59770), (215, 52264), (235, 47816), (278, 40420), (344, 32665), (376, 29885), (430, 26132), (470, 23908), (556, 20210), (695, 16168), (860, 13066), (940, 11954), (1112, 10105), (1390, 8084), (1720, 6533), (1880, 5977), (2021, 5560), (2780, 4042)]