49959200

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:534

約数の個数: 72

約数和(自身を含む): 122968692

約数和(自身を除く): 73009492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 317, 394, 400, 634, 788, 800, 985, 1268, 1576, 1585, 1970, 2536, 3152, 3170, 3940, 4925, 5072, 6304, 6340, 7880, 7925, 9850, 10144, 12680, 15760, 15850, 19700, 25360, 31520, 31700, 39400, 50720, 62449, 63400, 78800, 124898, 126800, 157600, 249796, 253600, 312245, 499592, 624490, 999184, 1248980, 1561225, 1998368, 2497960, 3122450, 4995920, 6244900, 9991840, 12489800, 24979600, 49959200]

約数ペア:

[(1, 49959200), (2, 24979600), (4, 12489800), (5, 9991840), (8, 6244900), (10, 4995920), (16, 3122450), (20, 2497960), (25, 1998368), (32, 1561225), (40, 1248980), (50, 999184), (80, 624490), (100, 499592), (160, 312245), (197, 253600), (200, 249796), (317, 157600), (394, 126800), (400, 124898), (634, 78800), (788, 63400), (800, 62449), (985, 50720), (1268, 39400), (1576, 31700), (1585, 31520), (1970, 25360), (2536, 19700), (3152, 15850), (3170, 15760), (3940, 12680), (4925, 10144), (5072, 9850), (6304, 7925), (6340, 7880)]