68812340

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12421}}^1$

素因数の和:12707

約数の個数: 24

約数和(自身を含む): 145039272

約数和(自身を除く): 76226932

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 12421, 24842, 49684, 62105, 124210, 248420, 3440617, 6881234, 13762468, 17203085, 34406170, 68812340]

約数ペア:

[(1, 68812340), (2, 34406170), (4, 17203085), (5, 13762468), (10, 6881234), (20, 3440617), (277, 248420), (554, 124210), (1108, 62105), (1385, 49684), (2770, 24842), (5540, 12421)]