2100080905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{313679}}^1$

素因数の和:313800

約数の個数: 16

約数和(自身を含む): 2740308480

約数和(自身を除く): 640227575

約数列:

[1, 5, 13, 65, 103, 515, 1339, 6695, 313679, 1568395, 4077827, 20389135, 32308937, 161544685, 420016181, 2100080905]

約数ペア:

[(1, 2100080905), (5, 420016181), (13, 161544685), (65, 32308937), (103, 20389135), (515, 4077827), (1339, 1568395), (6695, 313679)]