56611720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128663}}^1$

素因数の和:128685

約数の個数: 32

約数和(自身を含む): 138957120

約数和(自身を除く): 82345400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128663, 257326, 514652, 643315, 1029304, 1286630, 1415293, 2573260, 2830586, 5146520, 5661172, 7076465, 11322344, 14152930, 28305860, 56611720]

約数ペア:

[(1, 56611720), (2, 28305860), (4, 14152930), (5, 11322344), (8, 7076465), (10, 5661172), (11, 5146520), (20, 2830586), (22, 2573260), (40, 1415293), (44, 1286630), (55, 1029304), (88, 643315), (110, 514652), (220, 257326), (440, 128663)]