210371440

素因数分解:

$2^4\times 5^1\times {\mathrm{2629643}}^1$

素因数の和:2629656

約数の個数: 20

約数和(自身を含む): 489113784

約数和(自身を除く): 278742344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2629643, 5259286, 10518572, 13148215, 21037144, 26296430, 42074288, 52592860, 105185720, 210371440]

約数ペア:

[(1, 210371440), (2, 105185720), (4, 52592860), (5, 42074288), (8, 26296430), (10, 21037144), (16, 13148215), (20, 10518572), (40, 5259286), (80, 2629643)]