28179640

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1627}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 63589680

約数和(自身を除く): 35410040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1627, 1732, 2165, 3254, 3464, 4330, 6508, 8135, 8660, 13016, 16270, 17320, 32540, 65080, 704491, 1408982, 2817964, 3522455, 5635928, 7044910, 14089820, 28179640]

約数ペア:

[(1, 28179640), (2, 14089820), (4, 7044910), (5, 5635928), (8, 3522455), (10, 2817964), (20, 1408982), (40, 704491), (433, 65080), (866, 32540), (1627, 17320), (1732, 16270), (2165, 13016), (3254, 8660), (3464, 8135), (4330, 6508)]