19712909200

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1048559}}^1$

素因数の和:1048624

約数の個数: 60

約数和(自身を含む): 48367975680

約数和(自身を除く): 28655066480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 188, 200, 235, 376, 400, 470, 752, 940, 1175, 1880, 2350, 3760, 4700, 9400, 18800, 1048559, 2097118, 4194236, 5242795, 8388472, 10485590, 16776944, 20971180, 26213975, 41942360, 49282273, 52427950, 83884720, 98564546, 104855900, 197129092, 209711800, 246411365, 394258184, 419423600, 492822730, 788516368, 985645460, 1232056825, 1971290920, 2464113650, 3942581840, 4928227300, 9856454600, 19712909200]

約数ペア:

[(1, 19712909200), (2, 9856454600), (4, 4928227300), (5, 3942581840), (8, 2464113650), (10, 1971290920), (16, 1232056825), (20, 985645460), (25, 788516368), (40, 492822730), (47, 419423600), (50, 394258184), (80, 246411365), (94, 209711800), (100, 197129092), (188, 104855900), (200, 98564546), (235, 83884720), (376, 52427950), (400, 49282273), (470, 41942360), (752, 26213975), (940, 20971180), (1175, 16776944), (1880, 10485590), (2350, 8388472), (3760, 5242795), (4700, 4194236), (9400, 2097118), (18800, 1048559)]