12005180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 27742176

約数和(自身を除く): 15736996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 277, 394, 554, 788, 985, 1108, 1385, 1970, 2167, 2770, 3047, 3940, 4334, 5540, 6094, 8668, 10835, 12188, 15235, 21670, 30470, 43340, 54569, 60940, 109138, 218276, 272845, 545690, 600259, 1091380, 1200518, 2401036, 3001295, 6002590, 12005180]

約数ペア:

[(1, 12005180), (2, 6002590), (4, 3001295), (5, 2401036), (10, 1200518), (11, 1091380), (20, 600259), (22, 545690), (44, 272845), (55, 218276), (110, 109138), (197, 60940), (220, 54569), (277, 43340), (394, 30470), (554, 21670), (788, 15235), (985, 12188), (1108, 10835), (1385, 8668), (1970, 6094), (2167, 5540), (2770, 4334), (3047, 3940)]