200688520

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{9857}}^1$

素因数の和:10377

約数の個数: 32

約数和(自身を含む): 452482200

約数和(自身を除く): 251793680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 9857, 10180, 19714, 20360, 39428, 49285, 78856, 98570, 197140, 394280, 5017213, 10034426, 20068852, 25086065, 40137704, 50172130, 100344260, 200688520]

約数ペア:

[(1, 200688520), (2, 100344260), (4, 50172130), (5, 40137704), (8, 25086065), (10, 20068852), (20, 10034426), (40, 5017213), (509, 394280), (1018, 197140), (2036, 98570), (2545, 78856), (4072, 49285), (5090, 39428), (9857, 20360), (10180, 19714)]