25450880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 256

約数和(自身を含む): 82252800

約数和(自身を除く): 56801920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 23, 26, 28, 32, 35, 38, 40, 46, 52, 56, 64, 65, 70, 76, 80, 91, 92, 95, 104, 112, 115, 128, 130, 133, 140, 152, 160, 161, 182, 184, 190, 208, 224, 230, 247, 260, 266, 280, 299, 304, 320, 322, 364, 368, 380, 416, 437, 448, 455, 460, 494, 520, 532, 560, 598, 608, 640, 644, 665, 728, 736, 760, 805, 832, 874, 896, 910, 920, 988, 1040, 1064, 1120, 1196, 1216, 1235, 1288, 1330, 1456, 1472, 1495, 1520, 1610, 1664, 1729, 1748, 1820, 1840, 1976, 2080, 2093, 2128, 2185, 2240, 2392, 2432, 2470, 2576, 2660, 2912, 2944, 2990, 3040, 3059, 3220, 3458, 3496, 3640, 3680, 3952, 4160, 4186, 4256, 4370, 4480, 4784, 4940, 5152, 5320, 5681, 5824, 5980, 6080, 6118, 6440, 6916, 6992, 7280, 7360, 7904, 8320, 8372, 8512, 8645, 8740, 9568, 9880, 10304, 10465, 10640, 11362, 11648, 11960, 12160, 12236, 12880, 13832, 13984, 14560, 14720, 15295, 15808, 16744, 17024, 17290, 17480, 19136, 19760, 20608, 20930, 21280, 22724, 23920, 24472, 25760, 27664, 27968, 28405, 29120, 30590, 31616, 33488, 34580, 34960, 38272, 39520, 39767, 41860, 42560, 45448, 47840, 48944, 51520, 55328, 55936, 56810, 58240, 61180, 66976, 69160, 69920, 79040, 79534, 83720, 85120, 90896, 95680, 97888, 103040, 110656, 113620, 122360, 133952, 138320, 139840, 158080, 159068, 167440, 181792, 191360, 195776, 198835, 221312, 227240, 244720, 267904, 276640, 279680, 318136, 334880, 363584, 391552, 397670, 454480, 489440, 553280, 636272, 669760, 727168, 795340, 908960, 978880, 1106560, 1272544, 1339520, 1590680, 1817920, 1957760, 2545088, 3181360, 3635840, 5090176, 6362720, 12725440, 25450880]

約数ペア:

[(1, 25450880), (2, 12725440), (4, 6362720), (5, 5090176), (7, 3635840), (8, 3181360), (10, 2545088), (13, 1957760), (14, 1817920), (16, 1590680), (19, 1339520), (20, 1272544), (23, 1106560), (26, 978880), (28, 908960), (32, 795340), (35, 727168), (38, 669760), (40, 636272), (46, 553280), (52, 489440), (56, 454480), (64, 397670), (65, 391552), (70, 363584), (76, 334880), (80, 318136), (91, 279680), (92, 276640), (95, 267904), (104, 244720), (112, 227240), (115, 221312), (128, 198835), (130, 195776), (133, 191360), (140, 181792), (152, 167440), (160, 159068), (161, 158080), (182, 139840), (184, 138320), (190, 133952), (208, 122360), (224, 113620), (230, 110656), (247, 103040), (260, 97888), (266, 95680), (280, 90896), (299, 85120), (304, 83720), (320, 79534), (322, 79040), (364, 69920), (368, 69160), (380, 66976), (416, 61180), (437, 58240), (448, 56810), (455, 55936), (460, 55328), (494, 51520), (520, 48944), (532, 47840), (560, 45448), (598, 42560), (608, 41860), (640, 39767), (644, 39520), (665, 38272), (728, 34960), (736, 34580), (760, 33488), (805, 31616), (832, 30590), (874, 29120), (896, 28405), (910, 27968), (920, 27664), (988, 25760), (1040, 24472), (1064, 23920), (1120, 22724), (1196, 21280), (1216, 20930), (1235, 20608), (1288, 19760), (1330, 19136), (1456, 17480), (1472, 17290), (1495, 17024), (1520, 16744), (1610, 15808), (1664, 15295), (1729, 14720), (1748, 14560), (1820, 13984), (1840, 13832), (1976, 12880), (2080, 12236), (2093, 12160), (2128, 11960), (2185, 11648), (2240, 11362), (2392, 10640), (2432, 10465), (2470, 10304), (2576, 9880), (2660, 9568), (2912, 8740), (2944, 8645), (2990, 8512), (3040, 8372), (3059, 8320), (3220, 7904), (3458, 7360), (3496, 7280), (3640, 6992), (3680, 6916), (3952, 6440), (4160, 6118), (4186, 6080), (4256, 5980), (4370, 5824), (4480, 5681), (4784, 5320), (4940, 5152)]