28272080

素因数分解:

$2^4\times 5^1\times {\mathrm{353401}}^1$

素因数の和:353414

約数の個数: 20

約数和(自身を含む): 65732772

約数和(自身を除く): 37460692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353401, 706802, 1413604, 1767005, 2827208, 3534010, 5654416, 7068020, 14136040, 28272080]

約数ペア:

[(1, 28272080), (2, 14136040), (4, 7068020), (5, 5654416), (8, 3534010), (10, 2827208), (16, 1767005), (20, 1413604), (40, 706802), (80, 353401)]