13325020

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2371}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 28093968

約数和(自身を除く): 14768948

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2371, 2810, 4742, 5620, 9484, 11855, 23710, 47420, 666251, 1332502, 2665004, 3331255, 6662510, 13325020]

約数ペア:

[(1, 13325020), (2, 6662510), (4, 3331255), (5, 2665004), (10, 1332502), (20, 666251), (281, 47420), (562, 23710), (1124, 11855), (1405, 9484), (2371, 5620), (2810, 4742)]