55222840

素因数分解:

$2^3\times 5^1\times {\mathrm{1380571}}^1$

素因数の和:1380582

約数の個数: 16

約数和(自身を含む): 124251480

約数和(自身を除く): 69028640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1380571, 2761142, 5522284, 6902855, 11044568, 13805710, 27611420, 55222840]

約数ペア:

[(1, 55222840), (2, 27611420), (4, 13805710), (5, 11044568), (8, 6902855), (10, 5522284), (20, 2761142), (40, 1380571)]