42545180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 95047680

約数和(自身を除く): 52502500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1087, 1957, 2060, 2174, 3914, 4348, 5435, 7828, 9785, 10870, 19570, 20653, 21740, 39140, 41306, 82612, 103265, 111961, 206530, 223922, 413060, 447844, 559805, 1119610, 2127259, 2239220, 4254518, 8509036, 10636295, 21272590, 42545180]

約数ペア:

[(1, 42545180), (2, 21272590), (4, 10636295), (5, 8509036), (10, 4254518), (19, 2239220), (20, 2127259), (38, 1119610), (76, 559805), (95, 447844), (103, 413060), (190, 223922), (206, 206530), (380, 111961), (412, 103265), (515, 82612), (1030, 41306), (1087, 39140), (1957, 21740), (2060, 20653), (2174, 19570), (3914, 10870), (4348, 9785), (5435, 7828)]