51376640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 160

約数和(自身を含む): 146133504

約数和(自身を除く): 94756864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 61, 64, 70, 80, 94, 112, 122, 128, 140, 160, 188, 224, 235, 244, 256, 280, 305, 320, 329, 376, 427, 448, 470, 488, 512, 560, 610, 640, 658, 752, 854, 896, 940, 976, 1120, 1220, 1280, 1316, 1504, 1645, 1708, 1792, 1880, 1952, 2135, 2240, 2440, 2560, 2632, 2867, 3008, 3290, 3416, 3584, 3760, 3904, 4270, 4480, 4880, 5264, 5734, 6016, 6580, 6832, 7520, 7808, 8540, 8960, 9760, 10528, 11468, 12032, 13160, 13664, 14335, 15040, 15616, 17080, 17920, 19520, 20069, 21056, 22936, 24064, 26320, 27328, 28670, 30080, 31232, 34160, 39040, 40138, 42112, 45872, 52640, 54656, 57340, 60160, 68320, 78080, 80276, 84224, 91744, 100345, 105280, 109312, 114680, 120320, 136640, 156160, 160552, 168448, 183488, 200690, 210560, 218624, 229360, 273280, 321104, 366976, 401380, 421120, 458720, 546560, 642208, 733952, 802760, 842240, 917440, 1093120, 1284416, 1467904, 1605520, 1834880, 2568832, 3211040, 3669760, 5137664, 6422080, 7339520, 10275328, 12844160, 25688320, 51376640]

約数ペア:

[(1, 51376640), (2, 25688320), (4, 12844160), (5, 10275328), (7, 7339520), (8, 6422080), (10, 5137664), (14, 3669760), (16, 3211040), (20, 2568832), (28, 1834880), (32, 1605520), (35, 1467904), (40, 1284416), (47, 1093120), (56, 917440), (61, 842240), (64, 802760), (70, 733952), (80, 642208), (94, 546560), (112, 458720), (122, 421120), (128, 401380), (140, 366976), (160, 321104), (188, 273280), (224, 229360), (235, 218624), (244, 210560), (256, 200690), (280, 183488), (305, 168448), (320, 160552), (329, 156160), (376, 136640), (427, 120320), (448, 114680), (470, 109312), (488, 105280), (512, 100345), (560, 91744), (610, 84224), (640, 80276), (658, 78080), (752, 68320), (854, 60160), (896, 57340), (940, 54656), (976, 52640), (1120, 45872), (1220, 42112), (1280, 40138), (1316, 39040), (1504, 34160), (1645, 31232), (1708, 30080), (1792, 28670), (1880, 27328), (1952, 26320), (2135, 24064), (2240, 22936), (2440, 21056), (2560, 20069), (2632, 19520), (2867, 17920), (3008, 17080), (3290, 15616), (3416, 15040), (3584, 14335), (3760, 13664), (3904, 13160), (4270, 12032), (4480, 11468), (4880, 10528), (5264, 9760), (5734, 8960), (6016, 8540), (6580, 7808), (6832, 7520)]