2016872920

素因数分解:

$2^3\times 5^1\times {\mathrm{2339}}^1\times {\mathrm{21557}}^1$

素因数の和:23907

約数の個数: 32

約数和(自身を含む): 4540114800

約数和(自身を除く): 2523241880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2339, 4678, 9356, 11695, 18712, 21557, 23390, 43114, 46780, 86228, 93560, 107785, 172456, 215570, 431140, 862280, 50421823, 100843646, 201687292, 252109115, 403374584, 504218230, 1008436460, 2016872920]

約数ペア:

[(1, 2016872920), (2, 1008436460), (4, 504218230), (5, 403374584), (8, 252109115), (10, 201687292), (20, 100843646), (40, 50421823), (2339, 862280), (4678, 431140), (9356, 215570), (11695, 172456), (18712, 107785), (21557, 93560), (23390, 86228), (43114, 46780)]