65383040

素因数分解:

$2^7\times 5^1\times {\mathrm{102161}}^1$

素因数の和:102180

約数の個数: 32

約数和(自身を含む): 156307860

約数和(自身を除く): 90924820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102161, 204322, 408644, 510805, 817288, 1021610, 1634576, 2043220, 3269152, 4086440, 6538304, 8172880, 13076608, 16345760, 32691520, 65383040]

約数ペア:

[(1, 65383040), (2, 32691520), (4, 16345760), (5, 13076608), (8, 8172880), (10, 6538304), (16, 4086440), (20, 3269152), (32, 2043220), (40, 1634576), (64, 1021610), (80, 817288), (128, 510805), (160, 408644), (320, 204322), (640, 102161)]