25564880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 69266400

約数和(自身を除く): 43701520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 139, 152, 176, 190, 209, 220, 242, 278, 304, 380, 418, 440, 484, 556, 605, 695, 760, 836, 880, 968, 1045, 1112, 1210, 1390, 1520, 1529, 1672, 1936, 2090, 2224, 2299, 2420, 2641, 2780, 3058, 3344, 4180, 4598, 4840, 5282, 5560, 6116, 7645, 8360, 9196, 9680, 10564, 11120, 11495, 12232, 13205, 15290, 16720, 16819, 18392, 21128, 22990, 24464, 26410, 29051, 30580, 33638, 36784, 42256, 45980, 52820, 58102, 61160, 67276, 84095, 91960, 105640, 116204, 122320, 134552, 145255, 168190, 183920, 211280, 232408, 269104, 290510, 319561, 336380, 464816, 581020, 639122, 672760, 1162040, 1278244, 1345520, 1597805, 2324080, 2556488, 3195610, 5112976, 6391220, 12782440, 25564880]

約数ペア:

[(1, 25564880), (2, 12782440), (4, 6391220), (5, 5112976), (8, 3195610), (10, 2556488), (11, 2324080), (16, 1597805), (19, 1345520), (20, 1278244), (22, 1162040), (38, 672760), (40, 639122), (44, 581020), (55, 464816), (76, 336380), (80, 319561), (88, 290510), (95, 269104), (110, 232408), (121, 211280), (139, 183920), (152, 168190), (176, 145255), (190, 134552), (209, 122320), (220, 116204), (242, 105640), (278, 91960), (304, 84095), (380, 67276), (418, 61160), (440, 58102), (484, 52820), (556, 45980), (605, 42256), (695, 36784), (760, 33638), (836, 30580), (880, 29051), (968, 26410), (1045, 24464), (1112, 22990), (1210, 21128), (1390, 18392), (1520, 16819), (1529, 16720), (1672, 15290), (1936, 13205), (2090, 12232), (2224, 11495), (2299, 11120), (2420, 10564), (2641, 9680), (2780, 9196), (3058, 8360), (3344, 7645), (4180, 6116), (4598, 5560), (4840, 5282)]