11878820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5449}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 25179000

約数和(自身を除く): 13300180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5449, 10898, 21796, 27245, 54490, 108980, 593941, 1187882, 2375764, 2969705, 5939410, 11878820]

約数ペア:

[(1, 11878820), (2, 5939410), (4, 2969705), (5, 2375764), (10, 1187882), (20, 593941), (109, 108980), (218, 54490), (436, 27245), (545, 21796), (1090, 10898), (2180, 5449)]