28249840

素因数分解:

$2^4\times 5^1\times {\mathrm{353123}}^1$

素因数の和:353136

約数の個数: 20

約数和(自身を含む): 65681064

約数和(自身を除く): 37431224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353123, 706246, 1412492, 1765615, 2824984, 3531230, 5649968, 7062460, 14124920, 28249840]

約数ペア:

[(1, 28249840), (2, 14124920), (4, 7062460), (5, 5649968), (8, 3531230), (10, 2824984), (16, 1765615), (20, 1412492), (40, 706246), (80, 353123)]