258565540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{1039}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 568189440

約数和(自身を除く): 309623900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 541, 1039, 1082, 2078, 2164, 2705, 4156, 5195, 5410, 10390, 10820, 12443, 20780, 23897, 24886, 47794, 49772, 62215, 95588, 119485, 124430, 238970, 248860, 477940, 562099, 1124198, 2248396, 2810495, 5620990, 11241980, 12928277, 25856554, 51713108, 64641385, 129282770, 258565540]

約数ペア:

[(1, 258565540), (2, 129282770), (4, 64641385), (5, 51713108), (10, 25856554), (20, 12928277), (23, 11241980), (46, 5620990), (92, 2810495), (115, 2248396), (230, 1124198), (460, 562099), (541, 477940), (1039, 248860), (1082, 238970), (2078, 124430), (2164, 119485), (2705, 95588), (4156, 62215), (5195, 49772), (5410, 47794), (10390, 24886), (10820, 23897), (12443, 20780)]