40006400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 216

約数和(自身を含む): 121658880

約数和(自身を除く): 81652480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 47, 50, 56, 64, 70, 76, 80, 94, 95, 100, 112, 128, 133, 140, 152, 160, 175, 188, 190, 200, 224, 235, 256, 266, 280, 304, 320, 329, 350, 376, 380, 400, 448, 470, 475, 532, 560, 608, 640, 658, 665, 700, 752, 760, 800, 893, 896, 940, 950, 1064, 1120, 1175, 1216, 1280, 1316, 1330, 1400, 1504, 1520, 1600, 1645, 1786, 1792, 1880, 1900, 2128, 2240, 2350, 2432, 2632, 2660, 2800, 3008, 3040, 3200, 3290, 3325, 3572, 3760, 3800, 4256, 4465, 4480, 4700, 4864, 5264, 5320, 5600, 6016, 6080, 6251, 6400, 6580, 6650, 7144, 7520, 7600, 8225, 8512, 8930, 8960, 9400, 10528, 10640, 11200, 12032, 12160, 12502, 13160, 13300, 14288, 15040, 15200, 16450, 17024, 17860, 18800, 21056, 21280, 22325, 22400, 24320, 25004, 26320, 26600, 28576, 30080, 30400, 31255, 32900, 34048, 35720, 37600, 42112, 42560, 44650, 44800, 50008, 52640, 53200, 57152, 60160, 60800, 62510, 65800, 71440, 75200, 84224, 85120, 89300, 100016, 105280, 106400, 114304, 121600, 125020, 131600, 142880, 150400, 156275, 170240, 178600, 200032, 210560, 212800, 228608, 250040, 263200, 285760, 300800, 312550, 357200, 400064, 421120, 425600, 500080, 526400, 571520, 625100, 714400, 800128, 851200, 1000160, 1052800, 1143040, 1250200, 1428800, 1600256, 2000320, 2105600, 2500400, 2857600, 4000640, 5000800, 5715200, 8001280, 10001600, 20003200, 40006400]

約数ペア:

[(1, 40006400), (2, 20003200), (4, 10001600), (5, 8001280), (7, 5715200), (8, 5000800), (10, 4000640), (14, 2857600), (16, 2500400), (19, 2105600), (20, 2000320), (25, 1600256), (28, 1428800), (32, 1250200), (35, 1143040), (38, 1052800), (40, 1000160), (47, 851200), (50, 800128), (56, 714400), (64, 625100), (70, 571520), (76, 526400), (80, 500080), (94, 425600), (95, 421120), (100, 400064), (112, 357200), (128, 312550), (133, 300800), (140, 285760), (152, 263200), (160, 250040), (175, 228608), (188, 212800), (190, 210560), (200, 200032), (224, 178600), (235, 170240), (256, 156275), (266, 150400), (280, 142880), (304, 131600), (320, 125020), (329, 121600), (350, 114304), (376, 106400), (380, 105280), (400, 100016), (448, 89300), (470, 85120), (475, 84224), (532, 75200), (560, 71440), (608, 65800), (640, 62510), (658, 60800), (665, 60160), (700, 57152), (752, 53200), (760, 52640), (800, 50008), (893, 44800), (896, 44650), (940, 42560), (950, 42112), (1064, 37600), (1120, 35720), (1175, 34048), (1216, 32900), (1280, 31255), (1316, 30400), (1330, 30080), (1400, 28576), (1504, 26600), (1520, 26320), (1600, 25004), (1645, 24320), (1786, 22400), (1792, 22325), (1880, 21280), (1900, 21056), (2128, 18800), (2240, 17860), (2350, 17024), (2432, 16450), (2632, 15200), (2660, 15040), (2800, 14288), (3008, 13300), (3040, 13160), (3200, 12502), (3290, 12160), (3325, 12032), (3572, 11200), (3760, 10640), (3800, 10528), (4256, 9400), (4465, 8960), (4480, 8930), (4700, 8512), (4864, 8225), (5264, 7600), (5320, 7520), (5600, 7144), (6016, 6650), (6080, 6580), (6251, 6400)]