40354720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 110170368

約数和(自身を除く): 69815648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 137, 140, 160, 224, 263, 274, 280, 526, 548, 560, 685, 959, 1052, 1096, 1120, 1315, 1370, 1841, 1918, 2104, 2192, 2630, 2740, 3682, 3836, 4208, 4384, 4795, 5260, 5480, 7364, 7672, 8416, 9205, 9590, 10520, 10960, 14728, 15344, 18410, 19180, 21040, 21920, 29456, 30688, 36031, 36820, 38360, 42080, 58912, 72062, 73640, 76720, 144124, 147280, 153440, 180155, 252217, 288248, 294560, 360310, 504434, 576496, 720620, 1008868, 1152992, 1261085, 1441240, 2017736, 2522170, 2882480, 4035472, 5044340, 5764960, 8070944, 10088680, 20177360, 40354720]

約数ペア:

[(1, 40354720), (2, 20177360), (4, 10088680), (5, 8070944), (7, 5764960), (8, 5044340), (10, 4035472), (14, 2882480), (16, 2522170), (20, 2017736), (28, 1441240), (32, 1261085), (35, 1152992), (40, 1008868), (56, 720620), (70, 576496), (80, 504434), (112, 360310), (137, 294560), (140, 288248), (160, 252217), (224, 180155), (263, 153440), (274, 147280), (280, 144124), (526, 76720), (548, 73640), (560, 72062), (685, 58912), (959, 42080), (1052, 38360), (1096, 36820), (1120, 36031), (1315, 30688), (1370, 29456), (1841, 21920), (1918, 21040), (2104, 19180), (2192, 18410), (2630, 15344), (2740, 14728), (3682, 10960), (3836, 10520), (4208, 9590), (4384, 9205), (4795, 8416), (5260, 7672), (5480, 7364)]