85951720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 199584000

約数和(自身を除く): 113632280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 131, 188, 235, 262, 349, 376, 470, 524, 655, 698, 940, 1048, 1310, 1396, 1745, 1880, 2620, 2792, 3490, 5240, 6157, 6980, 12314, 13960, 16403, 24628, 30785, 32806, 45719, 49256, 61570, 65612, 82015, 91438, 123140, 131224, 164030, 182876, 228595, 246280, 328060, 365752, 457190, 656120, 914380, 1828760, 2148793, 4297586, 8595172, 10743965, 17190344, 21487930, 42975860, 85951720]

約数ペア:

[(1, 85951720), (2, 42975860), (4, 21487930), (5, 17190344), (8, 10743965), (10, 8595172), (20, 4297586), (40, 2148793), (47, 1828760), (94, 914380), (131, 656120), (188, 457190), (235, 365752), (262, 328060), (349, 246280), (376, 228595), (470, 182876), (524, 164030), (655, 131224), (698, 123140), (940, 91438), (1048, 82015), (1310, 65612), (1396, 61570), (1745, 49256), (1880, 45719), (2620, 32806), (2792, 30785), (3490, 24628), (5240, 16403), (6157, 13960), (6980, 12314)]