81624520

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{2311}}^1$

素因数の和:3205

約数の個数: 32

約数和(自身を含む): 183942720

約数和(自身を除く): 102318200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 2311, 3532, 4415, 4622, 7064, 8830, 9244, 11555, 17660, 18488, 23110, 35320, 46220, 92440, 2040613, 4081226, 8162452, 10203065, 16324904, 20406130, 40812260, 81624520]

約数ペア:

[(1, 81624520), (2, 40812260), (4, 20406130), (5, 16324904), (8, 10203065), (10, 8162452), (20, 4081226), (40, 2040613), (883, 92440), (1766, 46220), (2311, 35320), (3532, 23110), (4415, 18488), (4622, 17660), (7064, 11555), (8830, 9244)]