204559480

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{10501}}^1$

素因数の和:10999

約数の個数: 32

約数和(自身を含む): 461247840

約数和(自身を除く): 256688360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 10501, 19480, 21002, 42004, 52505, 84008, 105010, 210020, 420040, 5113987, 10227974, 20455948, 25569935, 40911896, 51139870, 102279740, 204559480]

約数ペア:

[(1, 204559480), (2, 102279740), (4, 51139870), (5, 40911896), (8, 25569935), (10, 20455948), (20, 10227974), (40, 5113987), (487, 420040), (974, 210020), (1948, 105010), (2435, 84008), (3896, 52505), (4870, 42004), (9740, 21002), (10501, 19480)]