858679040

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15601}}^1$

素因数の和:15665

約数の個数: 72

約数和(自身を含む): 2104772208

約数和(自身を除く): 1246093168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2752, 3440, 5504, 6880, 11008, 13760, 15601, 27520, 31202, 55040, 62404, 78005, 124808, 156010, 249616, 312020, 499232, 624040, 670843, 998464, 1248080, 1341686, 1996928, 2496160, 2683372, 3354215, 3993856, 4992320, 5366744, 6708430, 9984640, 10733488, 13416860, 19969280, 21466976, 26833720, 42933952, 53667440, 85867904, 107334880, 171735808, 214669760, 429339520, 858679040]

約数ペア:

[(1, 858679040), (2, 429339520), (4, 214669760), (5, 171735808), (8, 107334880), (10, 85867904), (16, 53667440), (20, 42933952), (32, 26833720), (40, 21466976), (43, 19969280), (64, 13416860), (80, 10733488), (86, 9984640), (128, 6708430), (160, 5366744), (172, 4992320), (215, 3993856), (256, 3354215), (320, 2683372), (344, 2496160), (430, 1996928), (640, 1341686), (688, 1248080), (860, 998464), (1280, 670843), (1376, 624040), (1720, 499232), (2752, 312020), (3440, 249616), (5504, 156010), (6880, 124808), (11008, 78005), (13760, 62404), (15601, 55040), (27520, 31202)]