11926780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5471}}^1$

素因数の和:5589

約数の個数: 24

約数和(自身を含む): 25280640

約数和(自身を除く): 13353860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5471, 10942, 21884, 27355, 54710, 109420, 596339, 1192678, 2385356, 2981695, 5963390, 11926780]

約数ペア:

[(1, 11926780), (2, 5963390), (4, 2981695), (5, 2385356), (10, 1192678), (20, 596339), (109, 109420), (218, 54710), (436, 27355), (545, 21884), (1090, 10942), (2180, 5471)]