27906640

素因数分解:

$2^4\times 5^1\times {\mathrm{348833}}^1$

素因数の和:348846

約数の個数: 20

約数和(自身を含む): 64883124

約数和(自身を除く): 36976484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348833, 697666, 1395332, 1744165, 2790664, 3488330, 5581328, 6976660, 13953320, 27906640]

約数ペア:

[(1, 27906640), (2, 13953320), (4, 6976660), (5, 5581328), (8, 3488330), (10, 2790664), (16, 1744165), (20, 1395332), (40, 697666), (80, 348833)]