16971280

素因数分解:

$2^4\times 5^1\times {\mathrm{212141}}^1$

素因数の和:212154

約数の個数: 20

約数和(自身を含む): 39458412

約数和(自身を除く): 22487132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 212141, 424282, 848564, 1060705, 1697128, 2121410, 3394256, 4242820, 8485640, 16971280]

約数ペア:

[(1, 16971280), (2, 8485640), (4, 4242820), (5, 3394256), (8, 2121410), (10, 1697128), (16, 1060705), (20, 848564), (40, 424282), (80, 212141)]