203023640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{118037}}^1$

素因数の和:118091

約数の個数: 32

約数和(自身を含む): 467430480

約数和(自身を除く): 264406840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 118037, 236074, 472148, 590185, 944296, 1180370, 2360740, 4721480, 5075591, 10151182, 20302364, 25377955, 40604728, 50755910, 101511820, 203023640]

約数ペア:

[(1, 203023640), (2, 101511820), (4, 50755910), (5, 40604728), (8, 25377955), (10, 20302364), (20, 10151182), (40, 5075591), (43, 4721480), (86, 2360740), (172, 1180370), (215, 944296), (344, 590185), (430, 472148), (860, 236074), (1720, 118037)]