51600520

素因数分解:

$2^3\times 5^1\times {\mathrm{1290013}}^1$

素因数の和:1290024

約数の個数: 16

約数和(自身を含む): 116101260

約数和(自身を除く): 64500740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1290013, 2580026, 5160052, 6450065, 10320104, 12900130, 25800260, 51600520]

約数ペア:

[(1, 51600520), (2, 25800260), (4, 12900130), (5, 10320104), (8, 6450065), (10, 5160052), (20, 2580026), (40, 1290013)]