87313040

素因数分解:

$2^4\times 5^1\times {\mathrm{1091413}}^1$

素因数の和:1091426

約数の個数: 20

約数和(自身を含む): 203003004

約数和(自身を除く): 115689964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091413, 2182826, 4365652, 5457065, 8731304, 10914130, 17462608, 21828260, 43656520, 87313040]

約数ペア:

[(1, 87313040), (2, 43656520), (4, 21828260), (5, 17462608), (8, 10914130), (10, 8731304), (16, 5457065), (20, 4365652), (40, 2182826), (80, 1091413)]