85471640

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4759}}^1$

素因数の和:5219

約数の個数: 32

約数和(自身を含む): 192780000

約数和(自身を除く): 107308360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 4759, 8980, 9518, 17960, 19036, 23795, 38072, 47590, 95180, 190360, 2136791, 4273582, 8547164, 10683955, 17094328, 21367910, 42735820, 85471640]

約数ペア:

[(1, 85471640), (2, 42735820), (4, 21367910), (5, 17094328), (8, 10683955), (10, 8547164), (20, 4273582), (40, 2136791), (449, 190360), (898, 95180), (1796, 47590), (2245, 38072), (3592, 23795), (4490, 19036), (4759, 17960), (8980, 9518)]