12882640

素因数分解:

$2^4\times 5^1\times {\mathrm{161033}}^1$

素因数の和:161046

約数の個数: 20

約数和(自身を含む): 29952324

約数和(自身を除く): 17069684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161033, 322066, 644132, 805165, 1288264, 1610330, 2576528, 3220660, 6441320, 12882640]

約数ペア:

[(1, 12882640), (2, 6441320), (4, 3220660), (5, 2576528), (8, 1610330), (10, 1288264), (16, 805165), (20, 644132), (40, 322066), (80, 161033)]