6840620

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1621}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 14442288

約数和(自身を除く): 7601668

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 1621, 2110, 3242, 4220, 6484, 8105, 16210, 32420, 342031, 684062, 1368124, 1710155, 3420310, 6840620]

約数ペア:

[(1, 6840620), (2, 3420310), (4, 1710155), (5, 1368124), (10, 684062), (20, 342031), (211, 32420), (422, 16210), (844, 8105), (1055, 6484), (1621, 4220), (2110, 3242)]