2090840

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 4747680

約数和(自身を除く): 2656840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 313, 334, 626, 668, 835, 1252, 1336, 1565, 1670, 2504, 3130, 3340, 6260, 6680, 12520, 52271, 104542, 209084, 261355, 418168, 522710, 1045420, 2090840]

約数ペア:

[(1, 2090840), (2, 1045420), (4, 522710), (5, 418168), (8, 261355), (10, 209084), (20, 104542), (40, 52271), (167, 12520), (313, 6680), (334, 6260), (626, 3340), (668, 3130), (835, 2504), (1252, 1670), (1336, 1565)]