80630260

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{9857}}^1$

素因数の和:10275

約数の個数: 24

約数和(自身を含む): 169754760

約数和(自身を除く): 89124500

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 9857, 19714, 39428, 49285, 98570, 197140, 4031513, 8063026, 16126052, 20157565, 40315130, 80630260]

約数ペア:

[(1, 80630260), (2, 40315130), (4, 20157565), (5, 16126052), (10, 8063026), (20, 4031513), (409, 197140), (818, 98570), (1636, 49285), (2045, 39428), (4090, 19714), (8180, 9857)]