22390780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10271}}^1$

素因数の和:10389

約数の個数: 24

約数和(自身を含む): 47456640

約数和(自身を除く): 25065860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 10271, 20542, 41084, 51355, 102710, 205420, 1119539, 2239078, 4478156, 5597695, 11195390, 22390780]

約数ペア:

[(1, 22390780), (2, 11195390), (4, 5597695), (5, 4478156), (10, 2239078), (20, 1119539), (109, 205420), (218, 102710), (436, 51355), (545, 41084), (1090, 20542), (2180, 10271)]