6403340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2521}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 13558272

約数和(自身を除く): 7154932

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2521, 2540, 5042, 10084, 12605, 25210, 50420, 320167, 640334, 1280668, 1600835, 3201670, 6403340]

約数ペア:

[(1, 6403340), (2, 3201670), (4, 1600835), (5, 1280668), (10, 640334), (20, 320167), (127, 50420), (254, 25210), (508, 12605), (635, 10084), (1270, 5042), (2521, 2540)]