28276720

素因数分解:

$2^4\times 5^1\times {\mathrm{353459}}^1$

素因数の和:353472

約数の個数: 20

約数和(自身を含む): 65743560

約数和(自身を除く): 37466840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353459, 706918, 1413836, 1767295, 2827672, 3534590, 5655344, 7069180, 14138360, 28276720]

約数ペア:

[(1, 28276720), (2, 14138360), (4, 7069180), (5, 5655344), (8, 3534590), (10, 2827672), (16, 1767295), (20, 1413836), (40, 706918), (80, 353459)]