2019950960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{537221}}^1$

素因数の和:537281

約数の個数: 40

約数和(自身を含む): 4796318016

約数和(自身を除く): 2776367056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 537221, 1074442, 2148884, 2686105, 4297768, 5372210, 8595536, 10744420, 21488840, 25249387, 42977680, 50498774, 100997548, 126246935, 201995096, 252493870, 403990192, 504987740, 1009975480, 2019950960]

約数ペア:

[(1, 2019950960), (2, 1009975480), (4, 504987740), (5, 403990192), (8, 252493870), (10, 201995096), (16, 126246935), (20, 100997548), (40, 50498774), (47, 42977680), (80, 25249387), (94, 21488840), (188, 10744420), (235, 8595536), (376, 5372210), (470, 4297768), (752, 2686105), (940, 2148884), (1880, 1074442), (3760, 537221)]