42577580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19531}}^1$

素因数の和:19649

約数の個数: 24

約数和(自身を含む): 90237840

約数和(自身を除く): 47660260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 19531, 39062, 78124, 97655, 195310, 390620, 2128879, 4257758, 8515516, 10644395, 21288790, 42577580]

約数ペア:

[(1, 42577580), (2, 21288790), (4, 10644395), (5, 8515516), (10, 4257758), (20, 2128879), (109, 390620), (218, 195310), (436, 97655), (545, 78124), (1090, 39062), (2180, 19531)]