40288640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:89

約数の個数: 192

約数和(自身を含む): 121836960

約数和(自身を除く): 81548320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 56, 64, 68, 70, 80, 85, 92, 112, 115, 119, 128, 136, 140, 160, 161, 170, 184, 224, 230, 238, 272, 280, 320, 322, 340, 368, 391, 448, 460, 476, 529, 544, 560, 595, 640, 644, 680, 736, 782, 805, 896, 920, 952, 1058, 1088, 1120, 1190, 1288, 1360, 1472, 1564, 1610, 1840, 1904, 1955, 2116, 2176, 2240, 2380, 2576, 2645, 2720, 2737, 2944, 3128, 3220, 3680, 3703, 3808, 3910, 4232, 4480, 4760, 5152, 5290, 5440, 5474, 6256, 6440, 7360, 7406, 7616, 7820, 8464, 8993, 9520, 10304, 10580, 10880, 10948, 12512, 12880, 13685, 14720, 14812, 15232, 15640, 16928, 17986, 18515, 19040, 20608, 21160, 21896, 25024, 25760, 27370, 29624, 31280, 33856, 35972, 37030, 38080, 42320, 43792, 44965, 50048, 51520, 54740, 59248, 62560, 62951, 67712, 71944, 74060, 76160, 84640, 87584, 89930, 103040, 109480, 118496, 125120, 125902, 143888, 148120, 169280, 175168, 179860, 218960, 236992, 250240, 251804, 287776, 296240, 314755, 338560, 350336, 359720, 437920, 473984, 503608, 575552, 592480, 629510, 719440, 875840, 1007216, 1151104, 1184960, 1259020, 1438880, 1751680, 2014432, 2369920, 2518040, 2877760, 4028864, 5036080, 5755520, 8057728, 10072160, 20144320, 40288640]

約数ペア:

[(1, 40288640), (2, 20144320), (4, 10072160), (5, 8057728), (7, 5755520), (8, 5036080), (10, 4028864), (14, 2877760), (16, 2518040), (17, 2369920), (20, 2014432), (23, 1751680), (28, 1438880), (32, 1259020), (34, 1184960), (35, 1151104), (40, 1007216), (46, 875840), (56, 719440), (64, 629510), (68, 592480), (70, 575552), (80, 503608), (85, 473984), (92, 437920), (112, 359720), (115, 350336), (119, 338560), (128, 314755), (136, 296240), (140, 287776), (160, 251804), (161, 250240), (170, 236992), (184, 218960), (224, 179860), (230, 175168), (238, 169280), (272, 148120), (280, 143888), (320, 125902), (322, 125120), (340, 118496), (368, 109480), (391, 103040), (448, 89930), (460, 87584), (476, 84640), (529, 76160), (544, 74060), (560, 71944), (595, 67712), (640, 62951), (644, 62560), (680, 59248), (736, 54740), (782, 51520), (805, 50048), (896, 44965), (920, 43792), (952, 42320), (1058, 38080), (1088, 37030), (1120, 35972), (1190, 33856), (1288, 31280), (1360, 29624), (1472, 27370), (1564, 25760), (1610, 25024), (1840, 21896), (1904, 21160), (1955, 20608), (2116, 19040), (2176, 18515), (2240, 17986), (2380, 16928), (2576, 15640), (2645, 15232), (2720, 14812), (2737, 14720), (2944, 13685), (3128, 12880), (3220, 12512), (3680, 10948), (3703, 10880), (3808, 10580), (3910, 10304), (4232, 9520), (4480, 8993), (4760, 8464), (5152, 7820), (5290, 7616), (5440, 7406), (5474, 7360), (6256, 6440)]