139248080

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2707}}^1$

素因数の和:3363

約数の個数: 40

約数和(自身を含む): 324375072

約数和(自身を除く): 185126992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 2707, 3215, 5144, 5414, 6430, 10288, 10828, 12860, 13535, 21656, 25720, 27070, 43312, 51440, 54140, 108280, 216560, 1740601, 3481202, 6962404, 8703005, 13924808, 17406010, 27849616, 34812020, 69624040, 139248080]

約数ペア:

[(1, 139248080), (2, 69624040), (4, 34812020), (5, 27849616), (8, 17406010), (10, 13924808), (16, 8703005), (20, 6962404), (40, 3481202), (80, 1740601), (643, 216560), (1286, 108280), (2572, 54140), (2707, 51440), (3215, 43312), (5144, 27070), (5414, 25720), (6430, 21656), (10288, 13535), (10828, 12860)]