28272880

素因数分解:

$2^4\times 5^1\times {\mathrm{353411}}^1$

素因数の和:353424

約数の個数: 20

約数和(自身を含む): 65734632

約数和(自身を除く): 37461752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353411, 706822, 1413644, 1767055, 2827288, 3534110, 5654576, 7068220, 14136440, 28272880]

約数ペア:

[(1, 28272880), (2, 14136440), (4, 7068220), (5, 5654576), (8, 3534110), (10, 2827288), (16, 1767055), (20, 1413644), (40, 706822), (80, 353411)]