40439942

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:828

約数の個数: 24

約数和(自身を含む): 64922400

約数和(自身を除く): 24482458

約数列:

[1, 2, 19, 38, 79, 158, 361, 709, 722, 1418, 1501, 3002, 13471, 26942, 28519, 56011, 57038, 112022, 255949, 511898, 1064209, 2128418, 20219971, 40439942]

約数ペア:

[(1, 40439942), (2, 20219971), (19, 2128418), (38, 1064209), (79, 511898), (158, 255949), (361, 112022), (709, 57038), (722, 56011), (1418, 28519), (1501, 26942), (3002, 13471)]