6728780

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{839}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 14182560

約数和(自身を除く): 7453780

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 839, 1604, 1678, 2005, 3356, 4010, 4195, 8020, 8390, 16780, 336439, 672878, 1345756, 1682195, 3364390, 6728780]

約数ペア:

[(1, 6728780), (2, 3364390), (4, 1682195), (5, 1345756), (10, 672878), (20, 336439), (401, 16780), (802, 8390), (839, 8020), (1604, 4195), (1678, 4010), (2005, 3356)]