2742140

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 5800032

約数和(自身を除く): 3057892

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 821, 835, 1642, 1670, 3284, 3340, 4105, 8210, 16420, 137107, 274214, 548428, 685535, 1371070, 2742140]

約数ペア:

[(1, 2742140), (2, 1371070), (4, 685535), (5, 548428), (10, 274214), (20, 137107), (167, 16420), (334, 8210), (668, 4105), (821, 3340), (835, 3284), (1642, 1670)]