83480720

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5297}}^1$

素因数の和:5507

約数の個数: 40

約数和(自身を含む): 195114744

約数和(自身を除く): 111634024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 5297, 7880, 10594, 15760, 21188, 26485, 42376, 52970, 84752, 105940, 211880, 423760, 1043509, 2087018, 4174036, 5217545, 8348072, 10435090, 16696144, 20870180, 41740360, 83480720]

約数ペア:

[(1, 83480720), (2, 41740360), (4, 20870180), (5, 16696144), (8, 10435090), (10, 8348072), (16, 5217545), (20, 4174036), (40, 2087018), (80, 1043509), (197, 423760), (394, 211880), (788, 105940), (985, 84752), (1576, 52970), (1970, 42376), (3152, 26485), (3940, 21188), (5297, 15760), (7880, 10594)]