26080005

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 50342400

約数和(自身を除く): 24262395

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 137, 147, 185, 245, 259, 343, 411, 555, 685, 735, 777, 959, 1029, 1295, 1715, 1813, 2055, 2877, 3885, 4795, 5069, 5145, 5439, 6713, 9065, 12691, 14385, 15207, 20139, 25345, 27195, 33565, 35483, 38073, 46991, 63455, 76035, 100695, 106449, 140973, 177415, 190365, 234955, 248381, 532245, 704865, 745143, 1241905, 1738667, 3725715, 5216001, 8693335, 26080005]

約数ペア:

[(1, 26080005), (3, 8693335), (5, 5216001), (7, 3725715), (15, 1738667), (21, 1241905), (35, 745143), (37, 704865), (49, 532245), (105, 248381), (111, 234955), (137, 190365), (147, 177415), (185, 140973), (245, 106449), (259, 100695), (343, 76035), (411, 63455), (555, 46991), (685, 38073), (735, 35483), (777, 33565), (959, 27195), (1029, 25345), (1295, 20139), (1715, 15207), (1813, 14385), (2055, 12691), (2877, 9065), (3885, 6713), (4795, 5439), (5069, 5145)]