55516780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 128249856

約数和(自身を除く): 72733076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1270, 1397, 1987, 2540, 2794, 3974, 5588, 6985, 7948, 9935, 13970, 19870, 21857, 27940, 39740, 43714, 87428, 109285, 218570, 252349, 437140, 504698, 1009396, 1261745, 2523490, 2775839, 5046980, 5551678, 11103356, 13879195, 27758390, 55516780]

約数ペア:

[(1, 55516780), (2, 27758390), (4, 13879195), (5, 11103356), (10, 5551678), (11, 5046980), (20, 2775839), (22, 2523490), (44, 1261745), (55, 1009396), (110, 504698), (127, 437140), (220, 252349), (254, 218570), (508, 109285), (635, 87428), (1270, 43714), (1397, 39740), (1987, 27940), (2540, 21857), (2794, 19870), (3974, 13970), (5588, 9935), (6985, 7948)]