110143640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{64037}}^1$

素因数の和:64091

約数の個数: 32

約数和(自身を含む): 253590480

約数和(自身を除く): 143446840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 64037, 128074, 256148, 320185, 512296, 640370, 1280740, 2561480, 2753591, 5507182, 11014364, 13767955, 22028728, 27535910, 55071820, 110143640]

約数ペア:

[(1, 110143640), (2, 55071820), (4, 27535910), (5, 22028728), (8, 13767955), (10, 11014364), (20, 5507182), (40, 2753591), (43, 2561480), (86, 1280740), (172, 640370), (215, 512296), (344, 320185), (430, 256148), (860, 128074), (1720, 64037)]