86640340

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{9397}}^1$

素因数の和:9867

約数の個数: 24

約数和(自身を含む): 182358792

約数和(自身を除く): 95718452

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 9397, 18794, 37588, 46985, 93970, 187940, 4332017, 8664034, 17328068, 21660085, 43320170, 86640340]

約数ペア:

[(1, 86640340), (2, 43320170), (4, 21660085), (5, 17328068), (10, 8664034), (20, 4332017), (461, 187940), (922, 93970), (1844, 46985), (2305, 37588), (4610, 18794), (9220, 9397)]