13257760

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 33530112

約数和(自身を除く): 20272352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 47, 80, 82, 86, 94, 160, 164, 172, 188, 205, 215, 235, 328, 344, 376, 410, 430, 470, 656, 688, 752, 820, 860, 940, 1312, 1376, 1504, 1640, 1720, 1763, 1880, 1927, 2021, 3280, 3440, 3526, 3760, 3854, 4042, 6560, 6880, 7052, 7520, 7708, 8084, 8815, 9635, 10105, 14104, 15416, 16168, 17630, 19270, 20210, 28208, 30832, 32336, 35260, 38540, 40420, 56416, 61664, 64672, 70520, 77080, 80840, 82861, 141040, 154160, 161680, 165722, 282080, 308320, 323360, 331444, 414305, 662888, 828610, 1325776, 1657220, 2651552, 3314440, 6628880, 13257760]

約数ペア:

[(1, 13257760), (2, 6628880), (4, 3314440), (5, 2651552), (8, 1657220), (10, 1325776), (16, 828610), (20, 662888), (32, 414305), (40, 331444), (41, 323360), (43, 308320), (47, 282080), (80, 165722), (82, 161680), (86, 154160), (94, 141040), (160, 82861), (164, 80840), (172, 77080), (188, 70520), (205, 64672), (215, 61664), (235, 56416), (328, 40420), (344, 38540), (376, 35260), (410, 32336), (430, 30832), (470, 28208), (656, 20210), (688, 19270), (752, 17630), (820, 16168), (860, 15416), (940, 14104), (1312, 10105), (1376, 9635), (1504, 8815), (1640, 8084), (1720, 7708), (1763, 7520), (1880, 7052), (1927, 6880), (2021, 6560), (3280, 4042), (3440, 3854), (3526, 3760)]