8980340

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1621}}^1$

素因数の和:1907

約数の個数: 24

約数和(自身を含む): 18938472

約数和(自身を除く): 9958132

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 1621, 2770, 3242, 5540, 6484, 8105, 16210, 32420, 449017, 898034, 1796068, 2245085, 4490170, 8980340]

約数ペア:

[(1, 8980340), (2, 4490170), (4, 2245085), (5, 1796068), (10, 898034), (20, 449017), (277, 32420), (554, 16210), (1108, 8105), (1385, 6484), (1621, 5540), (2770, 3242)]