20136354800

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{461843}}^1$

素因数の和:461970

約数の個数: 60

約数和(自身を含む): 48821529240

約数和(自身を除く): 28685174440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 545, 872, 1090, 1744, 2180, 2725, 4360, 5450, 8720, 10900, 21800, 43600, 461843, 923686, 1847372, 2309215, 3694744, 4618430, 7389488, 9236860, 11546075, 18473720, 23092150, 36947440, 46184300, 50340887, 92368600, 100681774, 184737200, 201363548, 251704435, 402727096, 503408870, 805454192, 1006817740, 1258522175, 2013635480, 2517044350, 4027270960, 5034088700, 10068177400, 20136354800]

約数ペア:

[(1, 20136354800), (2, 10068177400), (4, 5034088700), (5, 4027270960), (8, 2517044350), (10, 2013635480), (16, 1258522175), (20, 1006817740), (25, 805454192), (40, 503408870), (50, 402727096), (80, 251704435), (100, 201363548), (109, 184737200), (200, 100681774), (218, 92368600), (400, 50340887), (436, 46184300), (545, 36947440), (872, 23092150), (1090, 18473720), (1744, 11546075), (2180, 9236860), (2725, 7389488), (4360, 4618430), (5450, 3694744), (8720, 2309215), (10900, 1847372), (21800, 923686), (43600, 461843)]