40379720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43891}}^1$

素因数の和:43925

約数の個数: 32

約数和(自身を含む): 94806720

約数和(自身を除く): 54427000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 43891, 87782, 175564, 219455, 351128, 438910, 877820, 1009493, 1755640, 2018986, 4037972, 5047465, 8075944, 10094930, 20189860, 40379720]

約数ペア:

[(1, 40379720), (2, 20189860), (4, 10094930), (5, 8075944), (8, 5047465), (10, 4037972), (20, 2018986), (23, 1755640), (40, 1009493), (46, 877820), (92, 438910), (115, 351128), (184, 219455), (230, 175564), (460, 87782), (920, 43891)]