108728240

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6899}}^1$

素因数の和:7109

約数の個数: 40

約数和(自身を含む): 254113200

約数和(自身を除く): 145384960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 6899, 7880, 13798, 15760, 27596, 34495, 55192, 68990, 110384, 137980, 275960, 551920, 1359103, 2718206, 5436412, 6795515, 10872824, 13591030, 21745648, 27182060, 54364120, 108728240]

約数ペア:

[(1, 108728240), (2, 54364120), (4, 27182060), (5, 21745648), (8, 13591030), (10, 10872824), (16, 6795515), (20, 5436412), (40, 2718206), (80, 1359103), (197, 551920), (394, 275960), (788, 137980), (985, 110384), (1576, 68990), (1970, 55192), (3152, 34495), (3940, 27596), (6899, 15760), (7880, 13798)]