2541820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6717

約数の個数: 24

約数和(自身を含む): 5619600

約数和(自身を除く): 3077780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6689, 13378, 26756, 33445, 66890, 127091, 133780, 254182, 508364, 635455, 1270910, 2541820]

約数ペア:

[(1, 2541820), (2, 1270910), (4, 635455), (5, 508364), (10, 254182), (19, 133780), (20, 127091), (38, 66890), (76, 33445), (95, 26756), (190, 13378), (380, 6689)]