68957320

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{1319}}^1$

素因数の和:2637

約数の個数: 32

約数和(自身を含む): 155390400

約数和(自身を除く): 86433080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 1319, 2614, 2638, 5228, 5276, 6535, 6595, 10456, 10552, 13070, 13190, 26140, 26380, 52280, 52760, 1723933, 3447866, 6895732, 8619665, 13791464, 17239330, 34478660, 68957320]

約数ペア:

[(1, 68957320), (2, 34478660), (4, 17239330), (5, 13791464), (8, 8619665), (10, 6895732), (20, 3447866), (40, 1723933), (1307, 52760), (1319, 52280), (2614, 26380), (2638, 26140), (5228, 13190), (5276, 13070), (6535, 10552), (6595, 10456)]