68811740

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{2141}}^1$

素因数の和:3757

約数の個数: 24

約数和(自身を含む): 144662112

約数和(自身を除く): 75850372

約数列:

[1, 2, 4, 5, 10, 20, 1607, 2141, 3214, 4282, 6428, 8035, 8564, 10705, 16070, 21410, 32140, 42820, 3440587, 6881174, 13762348, 17202935, 34405870, 68811740]

約数ペア:

[(1, 68811740), (2, 34405870), (4, 17202935), (5, 13762348), (10, 6881174), (20, 3440587), (1607, 42820), (2141, 32140), (3214, 21410), (4282, 16070), (6428, 10705), (8035, 8564)]