67520380

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{8419}}^1$

素因数の和:8829

約数の個数: 24

約数和(自身を含む): 142163280

約数和(自身を除く): 74642900

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 8419, 16838, 33676, 42095, 84190, 168380, 3376019, 6752038, 13504076, 16880095, 33760190, 67520380]

約数ペア:

[(1, 67520380), (2, 33760190), (4, 16880095), (5, 13504076), (10, 6752038), (20, 3376019), (401, 168380), (802, 84190), (1604, 42095), (2005, 33676), (4010, 16838), (8020, 8419)]