12769603940

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1300367}}^1$

素因数の和:1300867

約数の個数: 24

約数和(自身を含む): 26870804352

約数和(自身を除く): 14101200412

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 1300367, 2600734, 5201468, 6501835, 13003670, 26007340, 638480197, 1276960394, 2553920788, 3192400985, 6384801970, 12769603940]

約数ペア:

[(1, 12769603940), (2, 6384801970), (4, 3192400985), (5, 2553920788), (10, 1276960394), (20, 638480197), (491, 26007340), (982, 13003670), (1964, 6501835), (2455, 5201468), (4910, 2600734), (9820, 1300367)]