220056880

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{13963}}^1$

素因数の和:14173

約数の個数: 40

約数和(自身を含む): 514266192

約数和(自身を除く): 294209312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 13963, 15760, 27926, 55852, 69815, 111704, 139630, 223408, 279260, 558520, 1117040, 2750711, 5501422, 11002844, 13753555, 22005688, 27507110, 44011376, 55014220, 110028440, 220056880]

約数ペア:

[(1, 220056880), (2, 110028440), (4, 55014220), (5, 44011376), (8, 27507110), (10, 22005688), (16, 13753555), (20, 11002844), (40, 5501422), (80, 2750711), (197, 1117040), (394, 558520), (788, 279260), (985, 223408), (1576, 139630), (1970, 111704), (3152, 69815), (3940, 55852), (7880, 27926), (13963, 15760)]