848941640

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{32803}}^1$

素因数の和:33461

約数の個数: 32

約数和(自身を含む): 1913129280

約数和(自身を除く): 1064187640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 12940, 25880, 32803, 65606, 131212, 164015, 262424, 328030, 656060, 1312120, 21223541, 42447082, 84894164, 106117705, 169788328, 212235410, 424470820, 848941640]

約数ペア:

[(1, 848941640), (2, 424470820), (4, 212235410), (5, 169788328), (8, 106117705), (10, 84894164), (20, 42447082), (40, 21223541), (647, 1312120), (1294, 656060), (2588, 328030), (3235, 262424), (5176, 164015), (6470, 131212), (12940, 65606), (25880, 32803)]