12782440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 33516000

約数和(自身を除く): 20733560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 139, 152, 190, 209, 220, 242, 278, 380, 418, 440, 484, 556, 605, 695, 760, 836, 968, 1045, 1112, 1210, 1390, 1529, 1672, 2090, 2299, 2420, 2641, 2780, 3058, 4180, 4598, 4840, 5282, 5560, 6116, 7645, 8360, 9196, 10564, 11495, 12232, 13205, 15290, 16819, 18392, 21128, 22990, 26410, 29051, 30580, 33638, 45980, 52820, 58102, 61160, 67276, 84095, 91960, 105640, 116204, 134552, 145255, 168190, 232408, 290510, 319561, 336380, 581020, 639122, 672760, 1162040, 1278244, 1597805, 2556488, 3195610, 6391220, 12782440]

約数ペア:

[(1, 12782440), (2, 6391220), (4, 3195610), (5, 2556488), (8, 1597805), (10, 1278244), (11, 1162040), (19, 672760), (20, 639122), (22, 581020), (38, 336380), (40, 319561), (44, 290510), (55, 232408), (76, 168190), (88, 145255), (95, 134552), (110, 116204), (121, 105640), (139, 91960), (152, 84095), (190, 67276), (209, 61160), (220, 58102), (242, 52820), (278, 45980), (380, 33638), (418, 30580), (440, 29051), (484, 26410), (556, 22990), (605, 21128), (695, 18392), (760, 16819), (836, 15290), (968, 13205), (1045, 12232), (1112, 11495), (1210, 10564), (1390, 9196), (1529, 8360), (1672, 7645), (2090, 6116), (2299, 5560), (2420, 5282), (2641, 4840), (2780, 4598), (3058, 4180)]