56881780

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{14437}}^1$

素因数の和:14643

約数の個数: 24

約数和(自身を含む): 120066408

約数和(自身を除く): 63184628

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 14437, 28874, 57748, 72185, 144370, 288740, 2844089, 5688178, 11376356, 14220445, 28440890, 56881780]

約数ペア:

[(1, 56881780), (2, 28440890), (4, 14220445), (5, 11376356), (10, 5688178), (20, 2844089), (197, 288740), (394, 144370), (788, 72185), (985, 57748), (1970, 28874), (3940, 14437)]