87006520

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5479}}^1$

素因数の和:5887

約数の個数: 32

約数和(自身を含む): 196293600

約数和(自身を除く): 109287080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 5479, 7940, 10958, 15880, 21916, 27395, 43832, 54790, 109580, 219160, 2175163, 4350326, 8700652, 10875815, 17401304, 21751630, 43503260, 87006520]

約数ペア:

[(1, 87006520), (2, 43503260), (4, 21751630), (5, 17401304), (8, 10875815), (10, 8700652), (20, 4350326), (40, 2175163), (397, 219160), (794, 109580), (1588, 54790), (1985, 43832), (3176, 27395), (3970, 21916), (5479, 15880), (7940, 10958)]