57216740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{408691}}^1$

素因数の和:408707

約数の個数: 24

約数和(自身を含む): 137320512

約数和(自身を除く): 80103772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 408691, 817382, 1634764, 2043455, 2860837, 4086910, 5721674, 8173820, 11443348, 14304185, 28608370, 57216740]

約数ペア:

[(1, 57216740), (2, 28608370), (4, 14304185), (5, 11443348), (7, 8173820), (10, 5721674), (14, 4086910), (20, 2860837), (28, 2043455), (35, 1634764), (70, 817382), (140, 408691)]