20124511360

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{159617}}^1$

素因数の和:159833

約数の個数: 64

約数和(自身を含む): 48354676920

約数和(自身を除く): 28230165560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 12608, 15760, 25216, 31520, 63040, 126080, 159617, 319234, 638468, 798085, 1276936, 1596170, 2553872, 3192340, 5107744, 6384680, 10215488, 12769360, 20430976, 25538720, 31444549, 51077440, 62889098, 102154880, 125778196, 157222745, 251556392, 314445490, 503112784, 628890980, 1006225568, 1257781960, 2012451136, 2515563920, 4024902272, 5031127840, 10062255680, 20124511360]

約数ペア:

[(1, 20124511360), (2, 10062255680), (4, 5031127840), (5, 4024902272), (8, 2515563920), (10, 2012451136), (16, 1257781960), (20, 1006225568), (32, 628890980), (40, 503112784), (64, 314445490), (80, 251556392), (128, 157222745), (160, 125778196), (197, 102154880), (320, 62889098), (394, 51077440), (640, 31444549), (788, 25538720), (985, 20430976), (1576, 12769360), (1970, 10215488), (3152, 6384680), (3940, 5107744), (6304, 3192340), (7880, 2553872), (12608, 1596170), (15760, 1276936), (25216, 798085), (31520, 638468), (63040, 319234), (126080, 159617)]