27891260

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7079}}^1$

素因数の和:7285

約数の個数: 24

約数和(自身を含む): 58877280

約数和(自身を除く): 30986020

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 7079, 14158, 28316, 35395, 70790, 141580, 1394563, 2789126, 5578252, 6972815, 13945630, 27891260]

約数ペア:

[(1, 27891260), (2, 13945630), (4, 6972815), (5, 5578252), (10, 2789126), (20, 1394563), (197, 141580), (394, 70790), (788, 35395), (985, 28316), (1970, 14158), (3940, 7079)]