12752620

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1559}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 26863200

約数和(自身を除く): 14110580

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1559, 1636, 2045, 3118, 4090, 6236, 7795, 8180, 15590, 31180, 637631, 1275262, 2550524, 3188155, 6376310, 12752620]

約数ペア:

[(1, 12752620), (2, 6376310), (4, 3188155), (5, 2550524), (10, 1275262), (20, 637631), (409, 31180), (818, 15590), (1559, 8180), (1636, 7795), (2045, 6236), (3118, 4090)]