81448060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9319}}^1$

素因数の和:9370

約数の個数: 48

約数和(自身を含む): 187891200

約数和(自身を除く): 106443140

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 9319, 18638, 37276, 46595, 93190, 177061, 186380, 214337, 354122, 428674, 708244, 857348, 885305, 1071685, 1770610, 2143370, 3541220, 4072403, 4286740, 8144806, 16289612, 20362015, 40724030, 81448060]

約数ペア:

[(1, 81448060), (2, 40724030), (4, 20362015), (5, 16289612), (10, 8144806), (19, 4286740), (20, 4072403), (23, 3541220), (38, 2143370), (46, 1770610), (76, 1071685), (92, 885305), (95, 857348), (115, 708244), (190, 428674), (230, 354122), (380, 214337), (437, 186380), (460, 177061), (874, 93190), (1748, 46595), (2185, 37276), (4370, 18638), (8740, 9319)]