82720304

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{120233}}^1$

素因数の和:120284

約数の個数: 20

約数和(自身を含む): 163999176

約数和(自身を除く): 81278872

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 120233, 240466, 480932, 961864, 1923728, 5170019, 10340038, 20680076, 41360152, 82720304]

約数ペア:

[(1, 82720304), (2, 41360152), (4, 20680076), (8, 10340038), (16, 5170019), (43, 1923728), (86, 961864), (172, 480932), (344, 240466), (688, 120233)]