66628060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{647}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 148055040

約数和(自身を除く): 81426980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 647, 1084, 1294, 1355, 2588, 2710, 3235, 5149, 5420, 6470, 10298, 12293, 12940, 20596, 24586, 25745, 49172, 51490, 61465, 102980, 122930, 175337, 245860, 350674, 701348, 876685, 1753370, 3331403, 3506740, 6662806, 13325612, 16657015, 33314030, 66628060]

約数ペア:

[(1, 66628060), (2, 33314030), (4, 16657015), (5, 13325612), (10, 6662806), (19, 3506740), (20, 3331403), (38, 1753370), (76, 876685), (95, 701348), (190, 350674), (271, 245860), (380, 175337), (542, 122930), (647, 102980), (1084, 61465), (1294, 51490), (1355, 49172), (2588, 25745), (2710, 24586), (3235, 20596), (5149, 12940), (5420, 12293), (6470, 10298)]