55117580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{393697}}^1$

素因数の和:393713

約数の個数: 24

約数和(自身を含む): 132282528

約数和(自身を除く): 77164948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 393697, 787394, 1574788, 1968485, 2755879, 3936970, 5511758, 7873940, 11023516, 13779395, 27558790, 55117580]

約数ペア:

[(1, 55117580), (2, 27558790), (4, 13779395), (5, 11023516), (7, 7873940), (10, 5511758), (14, 3936970), (20, 2755879), (28, 1968485), (35, 1574788), (70, 787394), (140, 393697)]