22016720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 34551088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 197, 220, 254, 394, 440, 508, 635, 788, 880, 985, 1016, 1270, 1397, 1576, 1970, 2032, 2167, 2540, 2794, 3152, 3940, 4334, 5080, 5588, 6985, 7880, 8668, 10160, 10835, 11176, 13970, 15760, 17336, 21670, 22352, 25019, 27940, 34672, 43340, 50038, 55880, 86680, 100076, 111760, 125095, 173360, 200152, 250190, 275209, 400304, 500380, 550418, 1000760, 1100836, 1376045, 2001520, 2201672, 2752090, 4403344, 5504180, 11008360, 22016720]

約数ペア:

[(1, 22016720), (2, 11008360), (4, 5504180), (5, 4403344), (8, 2752090), (10, 2201672), (11, 2001520), (16, 1376045), (20, 1100836), (22, 1000760), (40, 550418), (44, 500380), (55, 400304), (80, 275209), (88, 250190), (110, 200152), (127, 173360), (176, 125095), (197, 111760), (220, 100076), (254, 86680), (394, 55880), (440, 50038), (508, 43340), (635, 34672), (788, 27940), (880, 25019), (985, 22352), (1016, 21670), (1270, 17336), (1397, 15760), (1576, 13970), (1970, 11176), (2032, 10835), (2167, 10160), (2540, 8668), (2794, 7880), (3152, 6985), (3940, 5588), (4334, 5080)]