40483977980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1\times {\mathrm{23087}}^1$

素因数の和:25178

約数の個数: 48

約数和(自身を含む): 87039912960

約数和(自身を除く): 46555934980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2039, 4078, 8156, 10195, 20390, 23087, 40780, 46174, 87677, 92348, 115435, 175354, 230870, 350708, 438385, 461740, 876770, 992741, 1753540, 1985482, 3970964, 4963705, 9927410, 19854820, 47074393, 94148786, 188297572, 235371965, 470743930, 941487860, 2024198899, 4048397798, 8096795596, 10120994495, 20241988990, 40483977980]

約数ペア:

[(1, 40483977980), (2, 20241988990), (4, 10120994495), (5, 8096795596), (10, 4048397798), (20, 2024198899), (43, 941487860), (86, 470743930), (172, 235371965), (215, 188297572), (430, 94148786), (860, 47074393), (2039, 19854820), (4078, 9927410), (8156, 4963705), (10195, 3970964), (20390, 1985482), (23087, 1753540), (40780, 992741), (46174, 876770), (87677, 461740), (92348, 438385), (115435, 350708), (175354, 230870)]