202130625080

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{7858889}}^1$

素因数の和:7859543

約数の個数: 32

約数和(自身を含む): 455501264400

約数和(自身を除く): 253370639320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 12860, 25720, 7858889, 15717778, 31435556, 39294445, 62871112, 78588890, 157177780, 314355560, 5053265627, 10106531254, 20213062508, 25266328135, 40426125016, 50532656270, 101065312540, 202130625080]

約数ペア:

[(1, 202130625080), (2, 101065312540), (4, 50532656270), (5, 40426125016), (8, 25266328135), (10, 20213062508), (20, 10106531254), (40, 5053265627), (643, 314355560), (1286, 157177780), (2572, 78588890), (3215, 62871112), (5144, 39294445), (6430, 31435556), (12860, 15717778), (25720, 7858889)]