25865840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 320

約数和(自身を含む): 89994240

約数和(自身を除く): 64128400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 20, 22, 26, 28, 34, 35, 38, 40, 44, 52, 55, 56, 65, 68, 70, 76, 77, 80, 85, 88, 91, 95, 104, 110, 112, 119, 130, 133, 136, 140, 143, 152, 154, 170, 176, 182, 187, 190, 208, 209, 220, 221, 238, 247, 260, 266, 272, 280, 286, 304, 308, 323, 340, 364, 374, 380, 385, 418, 440, 442, 455, 476, 494, 520, 532, 560, 572, 595, 616, 646, 665, 680, 715, 728, 748, 760, 770, 836, 880, 884, 910, 935, 952, 988, 1001, 1040, 1045, 1064, 1105, 1144, 1190, 1232, 1235, 1292, 1309, 1330, 1360, 1430, 1456, 1463, 1496, 1520, 1540, 1547, 1615, 1672, 1729, 1768, 1820, 1870, 1904, 1976, 2002, 2090, 2128, 2210, 2261, 2288, 2380, 2431, 2470, 2584, 2618, 2660, 2717, 2860, 2926, 2992, 3080, 3094, 3230, 3344, 3458, 3536, 3553, 3640, 3740, 3952, 4004, 4180, 4199, 4420, 4522, 4760, 4862, 4940, 5005, 5168, 5236, 5320, 5434, 5720, 5852, 6160, 6188, 6460, 6545, 6916, 7106, 7280, 7315, 7480, 7735, 8008, 8360, 8398, 8645, 8840, 9044, 9520, 9724, 9880, 10010, 10472, 10640, 10868, 11305, 11440, 11704, 12155, 12376, 12920, 13090, 13585, 13832, 14212, 14630, 14960, 15470, 16016, 16720, 16796, 17017, 17290, 17680, 17765, 18088, 19019, 19448, 19760, 20020, 20944, 20995, 21736, 22610, 23408, 24310, 24752, 24871, 25840, 26180, 27170, 27664, 28424, 29260, 29393, 30940, 33592, 34034, 34580, 35530, 36176, 38038, 38896, 40040, 41990, 43472, 45220, 46189, 48620, 49742, 52360, 54340, 56848, 58520, 58786, 61880, 67184, 68068, 69160, 71060, 76076, 80080, 83980, 85085, 90440, 92378, 95095, 97240, 99484, 104720, 108680, 117040, 117572, 123760, 124355, 136136, 138320, 142120, 146965, 152152, 167960, 170170, 180880, 184756, 190190, 194480, 198968, 217360, 230945, 235144, 248710, 272272, 284240, 293930, 304304, 323323, 335920, 340340, 369512, 380380, 397936, 461890, 470288, 497420, 587860, 646646, 680680, 739024, 760760, 923780, 994840, 1175720, 1293292, 1361360, 1521520, 1616615, 1847560, 1989680, 2351440, 2586584, 3233230, 3695120, 5173168, 6466460, 12932920, 25865840]

約数ペア:

[(1, 25865840), (2, 12932920), (4, 6466460), (5, 5173168), (7, 3695120), (8, 3233230), (10, 2586584), (11, 2351440), (13, 1989680), (14, 1847560), (16, 1616615), (17, 1521520), (19, 1361360), (20, 1293292), (22, 1175720), (26, 994840), (28, 923780), (34, 760760), (35, 739024), (38, 680680), (40, 646646), (44, 587860), (52, 497420), (55, 470288), (56, 461890), (65, 397936), (68, 380380), (70, 369512), (76, 340340), (77, 335920), (80, 323323), (85, 304304), (88, 293930), (91, 284240), (95, 272272), (104, 248710), (110, 235144), (112, 230945), (119, 217360), (130, 198968), (133, 194480), (136, 190190), (140, 184756), (143, 180880), (152, 170170), (154, 167960), (170, 152152), (176, 146965), (182, 142120), (187, 138320), (190, 136136), (208, 124355), (209, 123760), (220, 117572), (221, 117040), (238, 108680), (247, 104720), (260, 99484), (266, 97240), (272, 95095), (280, 92378), (286, 90440), (304, 85085), (308, 83980), (323, 80080), (340, 76076), (364, 71060), (374, 69160), (380, 68068), (385, 67184), (418, 61880), (440, 58786), (442, 58520), (455, 56848), (476, 54340), (494, 52360), (520, 49742), (532, 48620), (560, 46189), (572, 45220), (595, 43472), (616, 41990), (646, 40040), (665, 38896), (680, 38038), (715, 36176), (728, 35530), (748, 34580), (760, 34034), (770, 33592), (836, 30940), (880, 29393), (884, 29260), (910, 28424), (935, 27664), (952, 27170), (988, 26180), (1001, 25840), (1040, 24871), (1045, 24752), (1064, 24310), (1105, 23408), (1144, 22610), (1190, 21736), (1232, 20995), (1235, 20944), (1292, 20020), (1309, 19760), (1330, 19448), (1360, 19019), (1430, 18088), (1456, 17765), (1463, 17680), (1496, 17290), (1520, 17017), (1540, 16796), (1547, 16720), (1615, 16016), (1672, 15470), (1729, 14960), (1768, 14630), (1820, 14212), (1870, 13832), (1904, 13585), (1976, 13090), (2002, 12920), (2090, 12376), (2128, 12155), (2210, 11704), (2261, 11440), (2288, 11305), (2380, 10868), (2431, 10640), (2470, 10472), (2584, 10010), (2618, 9880), (2660, 9724), (2717, 9520), (2860, 9044), (2926, 8840), (2992, 8645), (3080, 8398), (3094, 8360), (3230, 8008), (3344, 7735), (3458, 7480), (3536, 7315), (3553, 7280), (3640, 7106), (3740, 6916), (3952, 6545), (4004, 6460), (4180, 6188), (4199, 6160), (4420, 5852), (4522, 5720), (4760, 5434), (4862, 5320), (4940, 5236), (5005, 5168)]