81569960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88663}}^1$

素因数の和:88697

約数の個数: 32

約数和(自身を含む): 191514240

約数和(自身を除く): 109944280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 88663, 177326, 354652, 443315, 709304, 886630, 1773260, 2039249, 3546520, 4078498, 8156996, 10196245, 16313992, 20392490, 40784980, 81569960]

約数ペア:

[(1, 81569960), (2, 40784980), (4, 20392490), (5, 16313992), (8, 10196245), (10, 8156996), (20, 4078498), (23, 3546520), (40, 2039249), (46, 1773260), (92, 886630), (115, 709304), (184, 443315), (230, 354652), (460, 177326), (920, 88663)]