42379720

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1163}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 95541120

約数和(自身を除く): 53161400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1163, 1822, 2326, 3644, 4555, 4652, 5815, 7288, 9110, 9304, 11630, 18220, 23260, 36440, 46520, 1059493, 2118986, 4237972, 5297465, 8475944, 10594930, 21189860, 42379720]

約数ペア:

[(1, 42379720), (2, 21189860), (4, 10594930), (5, 8475944), (8, 5297465), (10, 4237972), (20, 2118986), (40, 1059493), (911, 46520), (1163, 36440), (1822, 23260), (2326, 18220), (3644, 11630), (4555, 9304), (4652, 9110), (5815, 7288)]