68781740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{32141}}^1$

素因数の和:32257

約数の個数: 24

約数和(自身を含む): 145796112

約数和(自身を除く): 77014372

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 32141, 64282, 128564, 160705, 321410, 642820, 3439087, 6878174, 13756348, 17195435, 34390870, 68781740]

約数ペア:

[(1, 68781740), (2, 34390870), (4, 17195435), (5, 13756348), (10, 6878174), (20, 3439087), (107, 642820), (214, 321410), (428, 160705), (535, 128564), (1070, 64282), (2140, 32141)]