80012800

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 240

約数和(自身を含む): 243555840

約数和(自身を除く): 163543040

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, 512, 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, 2560, 2632, 2660, 2800, 3008, 3040, 3200, 3290, 3325, 3572, 3584, 3760, 3800, 4256, 4465, 4480, 4700, 4864, 5264, 5320, 5600, 6016, 6080, 6251, 6400, 6580, 6650, 7144, 7520, 7600, 8225, 8512, 8930, 8960, 9400, 9728, 10528, 10640, 11200, 12032, 12160, 12502, 12800, 13160, 13300, 14288, 15040, 15200, 16450, 17024, 17860, 17920, 18800, 21056, 21280, 22325, 22400, 24064, 24320, 25004, 26320, 26600, 28576, 30080, 30400, 31255, 32900, 34048, 35720, 37600, 42112, 42560, 44650, 44800, 48640, 50008, 52640, 53200, 57152, 60160, 60800, 62510, 65800, 68096, 71440, 75200, 84224, 85120, 89300, 89600, 100016, 105280, 106400, 114304, 120320, 121600, 125020, 131600, 142880, 150400, 156275, 168448, 170240, 178600, 200032, 210560, 212800, 228608, 243200, 250040, 263200, 285760, 300800, 312550, 340480, 357200, 400064, 421120, 425600, 457216, 500080, 526400, 571520, 601600, 625100, 714400, 800128, 842240, 851200, 1000160, 1052800, 1143040, 1250200, 1428800, 1600256, 1702400, 2000320, 2105600, 2286080, 2500400, 2857600, 3200512, 4000640, 4211200, 5000800, 5715200, 8001280, 10001600, 11430400, 16002560, 20003200, 40006400, 80012800]

約数ペア:

[(1, 80012800), (2, 40006400), (4, 20003200), (5, 16002560), (7, 11430400), (8, 10001600), (10, 8001280), (14, 5715200), (16, 5000800), (19, 4211200), (20, 4000640), (25, 3200512), (28, 2857600), (32, 2500400), (35, 2286080), (38, 2105600), (40, 2000320), (47, 1702400), (50, 1600256), (56, 1428800), (64, 1250200), (70, 1143040), (76, 1052800), (80, 1000160), (94, 851200), (95, 842240), (100, 800128), (112, 714400), (128, 625100), (133, 601600), (140, 571520), (152, 526400), (160, 500080), (175, 457216), (188, 425600), (190, 421120), (200, 400064), (224, 357200), (235, 340480), (256, 312550), (266, 300800), (280, 285760), (304, 263200), (320, 250040), (329, 243200), (350, 228608), (376, 212800), (380, 210560), (400, 200032), (448, 178600), (470, 170240), (475, 168448), (512, 156275), (532, 150400), (560, 142880), (608, 131600), (640, 125020), (658, 121600), (665, 120320), (700, 114304), (752, 106400), (760, 105280), (800, 100016), (893, 89600), (896, 89300), (940, 85120), (950, 84224), (1064, 75200), (1120, 71440), (1175, 68096), (1216, 65800), (1280, 62510), (1316, 60800), (1330, 60160), (1400, 57152), (1504, 53200), (1520, 52640), (1600, 50008), (1645, 48640), (1786, 44800), (1792, 44650), (1880, 42560), (1900, 42112), (2128, 37600), (2240, 35720), (2350, 34048), (2432, 32900), (2560, 31255), (2632, 30400), (2660, 30080), (2800, 28576), (3008, 26600), (3040, 26320), (3200, 25004), (3290, 24320), (3325, 24064), (3572, 22400), (3584, 22325), (3760, 21280), (3800, 21056), (4256, 18800), (4465, 17920), (4480, 17860), (4700, 17024), (4864, 16450), (5264, 15200), (5320, 15040), (5600, 14288), (6016, 13300), (6080, 13160), (6251, 12800), (6400, 12502), (6580, 12160), (6650, 12032), (7144, 11200), (7520, 10640), (7600, 10528), (8225, 9728), (8512, 9400), (8930, 8960)]