25674140480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^2$

素因数の和:489

約数の個数: 168

約数和(自身を含む): 64262568960

約数和(自身を除く): 38588428480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 155, 158, 160, 181, 248, 310, 316, 320, 362, 395, 496, 620, 632, 724, 790, 905, 992, 1240, 1264, 1448, 1580, 1810, 1984, 2449, 2480, 2528, 2896, 3160, 3620, 4898, 4960, 5056, 5611, 5792, 6320, 7240, 9796, 9920, 11222, 11584, 12245, 12640, 14299, 14480, 19592, 22444, 24490, 25280, 28055, 28598, 28960, 32761, 39184, 44888, 48980, 56110, 57196, 57920, 65522, 71495, 78368, 89776, 97960, 112220, 114392, 131044, 142990, 156736, 163805, 179552, 195920, 224440, 228784, 262088, 285980, 327610, 359104, 391840, 443269, 448880, 457568, 524176, 571960, 655220, 783680, 886538, 897760, 915136, 1015591, 1048352, 1143920, 1310440, 1773076, 1795520, 2031182, 2096704, 2216345, 2287840, 2588119, 2620880, 3546152, 4062364, 4432690, 4575680, 5077955, 5176238, 5241760, 7092304, 8124728, 8865380, 10155910, 10352476, 10483520, 12940595, 14184608, 16249456, 17730760, 20311820, 20704952, 25881190, 28369216, 32498912, 35461520, 40623640, 41409904, 51762380, 64997824, 70923040, 80231689, 81247280, 82819808, 103524760, 141846080, 160463378, 162494560, 165639616, 207049520, 320926756, 324989120, 401158445, 414099040, 641853512, 802316890, 828198080, 1283707024, 1604633780, 2567414048, 3209267560, 5134828096, 6418535120, 12837070240, 25674140480]

約数ペア:

[(1, 25674140480), (2, 12837070240), (4, 6418535120), (5, 5134828096), (8, 3209267560), (10, 2567414048), (16, 1604633780), (20, 1283707024), (31, 828198080), (32, 802316890), (40, 641853512), (62, 414099040), (64, 401158445), (79, 324989120), (80, 320926756), (124, 207049520), (155, 165639616), (158, 162494560), (160, 160463378), (181, 141846080), (248, 103524760), (310, 82819808), (316, 81247280), (320, 80231689), (362, 70923040), (395, 64997824), (496, 51762380), (620, 41409904), (632, 40623640), (724, 35461520), (790, 32498912), (905, 28369216), (992, 25881190), (1240, 20704952), (1264, 20311820), (1448, 17730760), (1580, 16249456), (1810, 14184608), (1984, 12940595), (2449, 10483520), (2480, 10352476), (2528, 10155910), (2896, 8865380), (3160, 8124728), (3620, 7092304), (4898, 5241760), (4960, 5176238), (5056, 5077955), (5611, 4575680), (5792, 4432690), (6320, 4062364), (7240, 3546152), (9796, 2620880), (9920, 2588119), (11222, 2287840), (11584, 2216345), (12245, 2096704), (12640, 2031182), (14299, 1795520), (14480, 1773076), (19592, 1310440), (22444, 1143920), (24490, 1048352), (25280, 1015591), (28055, 915136), (28598, 897760), (28960, 886538), (32761, 783680), (39184, 655220), (44888, 571960), (48980, 524176), (56110, 457568), (57196, 448880), (57920, 443269), (65522, 391840), (71495, 359104), (78368, 327610), (89776, 285980), (97960, 262088), (112220, 228784), (114392, 224440), (131044, 195920), (142990, 179552), (156736, 163805)]