208519040

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7577}}^1$

素因数の和:7639

約数の個数: 64

約数和(自身を含む): 510150960

約数和(自身を除く): 301631920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5504, 6880, 7577, 13760, 15154, 27520, 30308, 37885, 60616, 75770, 121232, 151540, 242464, 303080, 325811, 484928, 606160, 651622, 969856, 1212320, 1303244, 1629055, 2424640, 2606488, 3258110, 4849280, 5212976, 6516220, 10425952, 13032440, 20851904, 26064880, 41703808, 52129760, 104259520, 208519040]

約数ペア:

[(1, 208519040), (2, 104259520), (4, 52129760), (5, 41703808), (8, 26064880), (10, 20851904), (16, 13032440), (20, 10425952), (32, 6516220), (40, 5212976), (43, 4849280), (64, 3258110), (80, 2606488), (86, 2424640), (128, 1629055), (160, 1303244), (172, 1212320), (215, 969856), (320, 651622), (344, 606160), (430, 484928), (640, 325811), (688, 303080), (860, 242464), (1376, 151540), (1720, 121232), (2752, 75770), (3440, 60616), (5504, 37885), (6880, 30308), (7577, 27520), (13760, 15154)]