79720580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1087}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 177300480

約数和(自身を除く): 97579900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 965, 1087, 1930, 2174, 3667, 3860, 4348, 5435, 7334, 10870, 14668, 18335, 20653, 21740, 36670, 41306, 73340, 82612, 103265, 206530, 209791, 413060, 419582, 839164, 1048955, 2097910, 3986029, 4195820, 7972058, 15944116, 19930145, 39860290, 79720580]

約数ペア:

[(1, 79720580), (2, 39860290), (4, 19930145), (5, 15944116), (10, 7972058), (19, 4195820), (20, 3986029), (38, 2097910), (76, 1048955), (95, 839164), (190, 419582), (193, 413060), (380, 209791), (386, 206530), (772, 103265), (965, 82612), (1087, 73340), (1930, 41306), (2174, 36670), (3667, 21740), (3860, 20653), (4348, 18335), (5435, 14668), (7334, 10870)]