28700240

素因数分解:

$2^4\times 5^1\times {\mathrm{358753}}^1$

素因数の和:358766

約数の個数: 20

約数和(自身を含む): 66728244

約数和(自身を除く): 38028004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358753, 717506, 1435012, 1793765, 2870024, 3587530, 5740048, 7175060, 14350120, 28700240]

約数ペア:

[(1, 28700240), (2, 14350120), (4, 7175060), (5, 5740048), (8, 3587530), (10, 2870024), (16, 1793765), (20, 1435012), (40, 717506), (80, 358753)]