54499840

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 133194600

約数和(自身を除く): 78694760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 349, 488, 512, 610, 640, 698, 976, 1220, 1280, 1396, 1745, 1952, 2440, 2560, 2792, 3490, 3904, 4880, 5584, 6980, 7808, 9760, 11168, 13960, 15616, 19520, 21289, 22336, 27920, 31232, 39040, 42578, 44672, 55840, 78080, 85156, 89344, 106445, 111680, 156160, 170312, 178688, 212890, 223360, 340624, 425780, 446720, 681248, 851560, 893440, 1362496, 1703120, 2724992, 3406240, 5449984, 6812480, 10899968, 13624960, 27249920, 54499840]

約数ペア:

[(1, 54499840), (2, 27249920), (4, 13624960), (5, 10899968), (8, 6812480), (10, 5449984), (16, 3406240), (20, 2724992), (32, 1703120), (40, 1362496), (61, 893440), (64, 851560), (80, 681248), (122, 446720), (128, 425780), (160, 340624), (244, 223360), (256, 212890), (305, 178688), (320, 170312), (349, 156160), (488, 111680), (512, 106445), (610, 89344), (640, 85156), (698, 78080), (976, 55840), (1220, 44672), (1280, 42578), (1396, 39040), (1745, 31232), (1952, 27920), (2440, 22336), (2560, 21289), (2792, 19520), (3490, 15616), (3904, 13960), (4880, 11168), (5584, 9760), (6980, 7808)]