80841485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 106339200

約数和(自身を除く): 25497715

約数列:

[1, 5, 19, 37, 95, 109, 185, 211, 545, 703, 1055, 2071, 3515, 4009, 4033, 7807, 10355, 20045, 20165, 22999, 39035, 76627, 114995, 148333, 383135, 436981, 741665, 850963, 2184905, 4254815, 16168297, 80841485]

約数ペア:

[(1, 80841485), (5, 16168297), (19, 4254815), (37, 2184905), (95, 850963), (109, 741665), (185, 436981), (211, 383135), (545, 148333), (703, 114995), (1055, 76627), (2071, 39035), (3515, 22999), (4009, 20165), (4033, 20045), (7807, 10355)]