338969360

素因数分解:

$2^4\times 5^1\times {\mathrm{4237117}}^1$

素因数の和:4237130

約数の個数: 20

約数和(自身を含む): 788103948

約数和(自身を除く): 449134588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4237117, 8474234, 16948468, 21185585, 33896936, 42371170, 67793872, 84742340, 169484680, 338969360]

約数ペア:

[(1, 338969360), (2, 169484680), (4, 84742340), (5, 67793872), (8, 42371170), (10, 33896936), (16, 21185585), (20, 16948468), (40, 8474234), (80, 4237117)]