121543280

素因数分解:

$2^4\times 5^1\times {\mathrm{1519291}}^1$

素因数の和:1519304

約数の個数: 20

約数和(自身を含む): 282588312

約数和(自身を除く): 161045032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1519291, 3038582, 6077164, 7596455, 12154328, 15192910, 24308656, 30385820, 60771640, 121543280]

約数ペア:

[(1, 121543280), (2, 60771640), (4, 30385820), (5, 24308656), (8, 15192910), (10, 12154328), (16, 7596455), (20, 6077164), (40, 3038582), (80, 1519291)]