2081985985

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1\times {\mathrm{5737}}^1$

素因数の和:6324

約数の個数: 16

約数和(自身を含む): 2518890192

約数和(自身を除く): 436904207

約数列:

[1, 5, 181, 401, 905, 2005, 5737, 28685, 72581, 362905, 1038397, 2300537, 5191985, 11502685, 416397197, 2081985985]

約数ペア:

[(1, 2081985985), (5, 416397197), (181, 11502685), (401, 5191985), (905, 2300537), (2005, 1038397), (5737, 362905), (28685, 72581)]