12643540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6976

約数の個数: 48

約数和(自身を含む): 32683392

約数和(自身を除く): 20039852

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 6947, 13894, 27788, 34735, 48629, 69470, 90311, 97258, 138940, 180622, 194516, 243145, 361244, 451555, 486290, 632177, 903110, 972580, 1264354, 1806220, 2528708, 3160885, 6321770, 12643540]

約数ペア:

[(1, 12643540), (2, 6321770), (4, 3160885), (5, 2528708), (7, 1806220), (10, 1264354), (13, 972580), (14, 903110), (20, 632177), (26, 486290), (28, 451555), (35, 361244), (52, 243145), (65, 194516), (70, 180622), (91, 138940), (130, 97258), (140, 90311), (182, 69470), (260, 48629), (364, 34735), (455, 27788), (910, 13894), (1820, 6947)]