26218820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{709}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 56449260

約数和(自身を除く): 30230440

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 709, 860, 1418, 1849, 2836, 3545, 3698, 7090, 7396, 9245, 14180, 18490, 30487, 36980, 60974, 121948, 152435, 304870, 609740, 1310941, 2621882, 5243764, 6554705, 13109410, 26218820]

約数ペア:

[(1, 26218820), (2, 13109410), (4, 6554705), (5, 5243764), (10, 2621882), (20, 1310941), (43, 609740), (86, 304870), (172, 152435), (215, 121948), (430, 60974), (709, 36980), (860, 30487), (1418, 18490), (1849, 14180), (2836, 9245), (3545, 7396), (3698, 7090)]