25611520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 71523648

約数和(自身を除く): 45912128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 107, 110, 128, 136, 160, 170, 176, 187, 214, 220, 256, 272, 320, 340, 352, 374, 428, 440, 535, 544, 640, 680, 704, 748, 856, 880, 935, 1070, 1088, 1177, 1280, 1360, 1408, 1496, 1712, 1760, 1819, 1870, 2140, 2176, 2354, 2720, 2816, 2992, 3424, 3520, 3638, 3740, 4280, 4352, 4708, 5440, 5885, 5984, 6848, 7040, 7276, 7480, 8560, 9095, 9416, 10880, 11770, 11968, 13696, 14080, 14552, 14960, 17120, 18190, 18832, 20009, 21760, 23540, 23936, 27392, 29104, 29920, 34240, 36380, 37664, 40018, 47080, 47872, 58208, 59840, 68480, 72760, 75328, 80036, 94160, 100045, 116416, 119680, 136960, 145520, 150656, 160072, 188320, 200090, 232832, 239360, 291040, 301312, 320144, 376640, 400180, 465664, 582080, 640288, 753280, 800360, 1164160, 1280576, 1506560, 1600720, 2328320, 2561152, 3201440, 5122304, 6402880, 12805760, 25611520]

約数ペア:

[(1, 25611520), (2, 12805760), (4, 6402880), (5, 5122304), (8, 3201440), (10, 2561152), (11, 2328320), (16, 1600720), (17, 1506560), (20, 1280576), (22, 1164160), (32, 800360), (34, 753280), (40, 640288), (44, 582080), (55, 465664), (64, 400180), (68, 376640), (80, 320144), (85, 301312), (88, 291040), (107, 239360), (110, 232832), (128, 200090), (136, 188320), (160, 160072), (170, 150656), (176, 145520), (187, 136960), (214, 119680), (220, 116416), (256, 100045), (272, 94160), (320, 80036), (340, 75328), (352, 72760), (374, 68480), (428, 59840), (440, 58208), (535, 47872), (544, 47080), (640, 40018), (680, 37664), (704, 36380), (748, 34240), (856, 29920), (880, 29104), (935, 27392), (1070, 23936), (1088, 23540), (1177, 21760), (1280, 20009), (1360, 18832), (1408, 18190), (1496, 17120), (1712, 14960), (1760, 14552), (1819, 14080), (1870, 13696), (2140, 11968), (2176, 11770), (2354, 10880), (2720, 9416), (2816, 9095), (2992, 8560), (3424, 7480), (3520, 7276), (3638, 7040), (3740, 6848), (4280, 5984), (4352, 5885), (4708, 5440)]