26981860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12377}}^1$

素因数の和:12495

約数の個数: 24

約数和(自身を含む): 57186360

約数和(自身を除く): 30204500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 12377, 24754, 49508, 61885, 123770, 247540, 1349093, 2698186, 5396372, 6745465, 13490930, 26981860]

約数ペア:

[(1, 26981860), (2, 13490930), (4, 6745465), (5, 5396372), (10, 2698186), (20, 1349093), (109, 247540), (218, 123770), (436, 61885), (545, 49508), (1090, 24754), (2180, 12377)]