54687200

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:564

約数の個数: 72

約数和(自身を含む): 134569512

約数和(自身を除く): 79882312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 347, 394, 400, 694, 788, 800, 985, 1388, 1576, 1735, 1970, 2776, 3152, 3470, 3940, 4925, 5552, 6304, 6940, 7880, 8675, 9850, 11104, 13880, 15760, 17350, 19700, 27760, 31520, 34700, 39400, 55520, 68359, 69400, 78800, 136718, 138800, 157600, 273436, 277600, 341795, 546872, 683590, 1093744, 1367180, 1708975, 2187488, 2734360, 3417950, 5468720, 6835900, 10937440, 13671800, 27343600, 54687200]

約数ペア:

[(1, 54687200), (2, 27343600), (4, 13671800), (5, 10937440), (8, 6835900), (10, 5468720), (16, 3417950), (20, 2734360), (25, 2187488), (32, 1708975), (40, 1367180), (50, 1093744), (80, 683590), (100, 546872), (160, 341795), (197, 277600), (200, 273436), (347, 157600), (394, 138800), (400, 136718), (694, 78800), (788, 69400), (800, 68359), (985, 55520), (1388, 39400), (1576, 34700), (1735, 31520), (1970, 27760), (2776, 19700), (3152, 17350), (3470, 15760), (3940, 13880), (4925, 11104), (5552, 9850), (6304, 8675), (6940, 7880)]