28539640

素因数分解:

$2^3\times 5^1\times {\mathrm{713491}}^1$

素因数の和:713502

約数の個数: 16

約数和(自身を含む): 64214280

約数和(自身を除く): 35674640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 713491, 1426982, 2853964, 3567455, 5707928, 7134910, 14269820, 28539640]

約数ペア:

[(1, 28539640), (2, 14269820), (4, 7134910), (5, 5707928), (8, 3567455), (10, 2853964), (20, 1426982), (40, 713491)]