66747320

素因数分解:

$2^3\times 5^1\times {\mathrm{1668683}}^1$

素因数の和:1668694

約数の個数: 16

約数和(自身を含む): 150181560

約数和(自身を除く): 83434240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1668683, 3337366, 6674732, 8343415, 13349464, 16686830, 33373660, 66747320]

約数ペア:

[(1, 66747320), (2, 33373660), (4, 16686830), (5, 13349464), (8, 8343415), (10, 6674732), (20, 3337366), (40, 1668683)]