78825820

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8093}}^1$

素因数の和:8589

約数の個数: 24

約数和(自身を含む): 165894624

約数和(自身を除く): 87068804

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 8093, 9740, 16186, 32372, 40465, 80930, 161860, 3941291, 7882582, 15765164, 19706455, 39412910, 78825820]

約数ペア:

[(1, 78825820), (2, 39412910), (4, 19706455), (5, 15765164), (10, 7882582), (20, 3941291), (487, 161860), (974, 80930), (1948, 40465), (2435, 32372), (4870, 16186), (8093, 9740)]