27385840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 41359760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 419, 430, 688, 760, 817, 838, 860, 1520, 1634, 1676, 1720, 2095, 3268, 3352, 3440, 4085, 4190, 6536, 6704, 7961, 8170, 8380, 13072, 15922, 16340, 16760, 18017, 31844, 32680, 33520, 36034, 39805, 63688, 65360, 72068, 79610, 90085, 127376, 144136, 159220, 180170, 288272, 318440, 342323, 360340, 636880, 684646, 720680, 1369292, 1441360, 1711615, 2738584, 3423230, 5477168, 6846460, 13692920, 27385840]

約数ペア:

[(1, 27385840), (2, 13692920), (4, 6846460), (5, 5477168), (8, 3423230), (10, 2738584), (16, 1711615), (19, 1441360), (20, 1369292), (38, 720680), (40, 684646), (43, 636880), (76, 360340), (80, 342323), (86, 318440), (95, 288272), (152, 180170), (172, 159220), (190, 144136), (215, 127376), (304, 90085), (344, 79610), (380, 72068), (419, 65360), (430, 63688), (688, 39805), (760, 36034), (817, 33520), (838, 32680), (860, 31844), (1520, 18017), (1634, 16760), (1676, 16340), (1720, 15922), (2095, 13072), (3268, 8380), (3352, 8170), (3440, 7961), (4085, 6704), (4190, 6536)]