12902840

素因数分解:

$2^3\times 5^1\times {\mathrm{322571}}^1$

素因数の和:322582

約数の個数: 16

約数和(自身を含む): 29031480

約数和(自身を除く): 16128640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322571, 645142, 1290284, 1612855, 2580568, 3225710, 6451420, 12902840]

約数ペア:

[(1, 12902840), (2, 6451420), (4, 3225710), (5, 2580568), (8, 1612855), (10, 1290284), (20, 645142), (40, 322571)]