13692920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 33264000

約数和(自身を除く): 19571080

約数列:

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

約数ペア:

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