49320920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 121888800

約数和(自身を除く): 72567880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 569, 788, 985, 1138, 1576, 1970, 2167, 2276, 2845, 3940, 4334, 4552, 5690, 6259, 7880, 8668, 10835, 11380, 12518, 17336, 21670, 22760, 25036, 31295, 43340, 50072, 62590, 86680, 112093, 125180, 224186, 250360, 448372, 560465, 896744, 1120930, 1233023, 2241860, 2466046, 4483720, 4932092, 6165115, 9864184, 12330230, 24660460, 49320920]

約数ペア:

[(1, 49320920), (2, 24660460), (4, 12330230), (5, 9864184), (8, 6165115), (10, 4932092), (11, 4483720), (20, 2466046), (22, 2241860), (40, 1233023), (44, 1120930), (55, 896744), (88, 560465), (110, 448372), (197, 250360), (220, 224186), (394, 125180), (440, 112093), (569, 86680), (788, 62590), (985, 50072), (1138, 43340), (1576, 31295), (1970, 25036), (2167, 22760), (2276, 21670), (2845, 17336), (3940, 12518), (4334, 11380), (4552, 10835), (5690, 8668), (6259, 7880)]