2783860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 5904360

約数和(自身を除く): 3120500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1277, 2180, 2554, 5108, 6385, 12770, 25540, 139193, 278386, 556772, 695965, 1391930, 2783860]

約数ペア:

[(1, 2783860), (2, 1391930), (4, 695965), (5, 556772), (10, 278386), (20, 139193), (109, 25540), (218, 12770), (436, 6385), (545, 5108), (1090, 2554), (1277, 2180)]