1285756444160

素因数分解:

$2^9\times 5^1\times {\mathrm{4903}}^1\times {\mathrm{102437}}^1$

素因数の和:107363

約数の個数: 80

約数和(自身を含む): 3083460833376

約数和(自身を除く): 1797704389216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4903, 9806, 19612, 24515, 39224, 49030, 78448, 98060, 102437, 156896, 196120, 204874, 313792, 392240, 409748, 512185, 627584, 784480, 819496, 1024370, 1255168, 1568960, 1638992, 2048740, 2510336, 3137920, 3277984, 4097480, 6275840, 6555968, 8194960, 12551680, 13111936, 16389920, 26223872, 32779840, 52447744, 65559680, 131119360, 262238720, 502248611, 1004497222, 2008994444, 2511243055, 4017988888, 5022486110, 8035977776, 10044972220, 16071955552, 20089944440, 32143911104, 40179888880, 64287822208, 80359777760, 128575644416, 160719555520, 257151288832, 321439111040, 642878222080, 1285756444160]

約数ペア:

[(1, 1285756444160), (2, 642878222080), (4, 321439111040), (5, 257151288832), (8, 160719555520), (10, 128575644416), (16, 80359777760), (20, 64287822208), (32, 40179888880), (40, 32143911104), (64, 20089944440), (80, 16071955552), (128, 10044972220), (160, 8035977776), (256, 5022486110), (320, 4017988888), (512, 2511243055), (640, 2008994444), (1280, 1004497222), (2560, 502248611), (4903, 262238720), (9806, 131119360), (19612, 65559680), (24515, 52447744), (39224, 32779840), (49030, 26223872), (78448, 16389920), (98060, 13111936), (102437, 12551680), (156896, 8194960), (196120, 6555968), (204874, 6275840), (313792, 4097480), (392240, 3277984), (409748, 3137920), (512185, 2510336), (627584, 2048740), (784480, 1638992), (819496, 1568960), (1024370, 1255168)]