8738740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10657}}^1$

素因数の和:10707

約数の個数: 24

約数和(自身を含む): 18800712

約数和(自身を除く): 10061972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10657, 21314, 42628, 53285, 106570, 213140, 436937, 873874, 1747748, 2184685, 4369370, 8738740]

約数ペア:

[(1, 8738740), (2, 4369370), (4, 2184685), (5, 1747748), (10, 873874), (20, 436937), (41, 213140), (82, 106570), (164, 53285), (205, 42628), (410, 21314), (820, 10657)]