6789940

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1321}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 14325192

約数和(自身を除く): 7535252

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 1321, 2570, 2642, 5140, 5284, 6605, 13210, 26420, 339497, 678994, 1357988, 1697485, 3394970, 6789940]

約数ペア:

[(1, 6789940), (2, 3394970), (4, 1697485), (5, 1357988), (10, 678994), (20, 339497), (257, 26420), (514, 13210), (1028, 6605), (1285, 5284), (1321, 5140), (2570, 2642)]